40956 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

DEPARTMENT OF THE INTERIOR 

Fish and Wildlife Service 

50 CFR Part 17 

RIN 1018–AV05 

Endangered and Threatened Wildlife 

and Plants; Designation of Critical 

Habitat for the Sierra Nevada Bighorn 

Sheep (Ovis canadensis californiana) 

and Proposed Taxonomic Revision 

AGENCY: Fish and Wildlife Service, 

Interior. 

ACTION: Proposed rule. 

SUMMARY: We, the U.S. Fish and 

Wildlife Service (Service), propose to 

designate critical habitat for the Sierra 

Nevada bighorn sheep (Ovis canadensis 

californiana) under the Endangered 

Species Act of 1973, as amended (Act). 

In total, approximately 417,577 acres 

(ac) (168,992 hectares (ha)) fall within 

the boundaries of the proposed critical 

habitat designation. The proposed 

critical habitat is located in Tuolumne, 

Mono, Fresno, Inyo, and Tulare 

counties, California. We also propose a 

taxonomic revision of the listed entity 

from distinct population segment (DPS) 

to subspecies, Ovis canadensis sierrae, 

based on recent published information. 

DATES: We will accept comments from 

all interested parties until September 

24, 2007. We must receive requests for 

public hearings, in writing, at the 

address shown in the ADDRESSES section 

by September 10, 2007. 

ADDRESSES: If you wish to comment on 

this proposed rule, you may submit 

your comments and materials by any 

one of several methods: 

1. By mail or hand-deliver to Robert 

D. Williams, Field Supervisor, U.S. Fish 

and Wildlife Service, Nevada Fish and 

Wildlife Office, 1340 Financial 

Boulevard, Suite 234, Reno, NV 89502– 

7147. 

2. By electronic mail (e-mail) to 

snbighorn@fws.gov. Please see the 

Public Comments Solicited section 

below for other information about 

electronic filing. 

3. By fax to the attention of Robert D. 

Williams, Field Supervisor at 775–861– 

6301. 

4. Via the Federal eRulemaking Portal 

at: http://www.regulations.gov. Follow 

the instructions for submitting 

comments. 

FOR FURTHER INFORMATION CONTACT: 

Robert D. Williams, Field Supervisor, 

Nevada Fish and Wildlife Office, at the 

address or telephone number listed 

under ADDRESSES. If you use a 

telecommunications device for the deaf 

(TDD), call the Federal Information 

Relay Service (FIRS) at 800–877–8339. 

SUPPLEMENTARY INFORMATION: 

Public Comments Solicited 

We intend that any final action 

resulting from this proposal will be as 

accurate and as effective as possible. 

Therefore, we seek comments or 

suggestions on this proposed rule. We 

particularly seek comments concerning: 

(1) The reasons why we should or 

should not designate habitat as ‘‘critical 

habitat’’ under section 4 of the Act (16 

U.S.C. 1531 et seq.), including whether 

the benefit of designation will outweigh 

threats to the species caused by 

designation such that the designation of 

critical habitat is prudent; 

(2) Specific information on: 

• The amount and distribution of 

Sierra Nevada bighorn sheep habitat, 

• What areas should be included in 

the designations that were occupied at 

the time of listing that contain the 

features that are essential for the 

conservation of the subspecies and why, 

and 

• What areas not occupied at the 

listing are essential to the conservation 

of the subspecies and why; 

(3) Any proposed critical habitat areas 

covered by existing or proposed 

conservation or management plans that 

we should consider for exclusion from 

the designation under section 4(b)(2) of 

the Act. We specifically request 

comment on the appropriateness of 

including or excluding lands covered 

by: (a) The Sierra Nevada Bighorn Sheep 

Recovery and Conservation Plan (Sierra 

Bighorn Sheep Interagency Advisory 

Group 1984); (b) the Bighorn Sheep 

Management Plan (National Park 

Service 1986); (c) the Inyo National 

Forest Resource & Management Plan 

(U.S. Forest Service 1988); and (d) the 

Conservation Strategy for Sierra Nevada 

Bighorn Sheep (Sierra Nevada Bighorn 

Sheep Interagency Advisory Group 

1997). We request comment on how 

these plans do or do not benefit or 

protect the Sierra Nevada bighorn 

sheep, or its primary constituent 

elements, and if the benefit or 

protection provided by these plans is 

equal to or greater than the benefit that 

would be provided by designation of 

critical habitat; 

(4) Land use designations and current 

or planned activities in the subject areas 

and their possible impacts on proposed 

critical habitat; 

(5) Any foreseeable economic, 

national security, or other potential 

impacts resulting from the proposed 

designation and, in particular, any 

impacts on small entities, and 

information about the benefits of 

including or excluding any areas that 

exhibit those impacts; and 

(6) Whether we could improve or 

modify our approach to designating 

critical habitat in any way to provide for 

greater public participation and 

understanding, or to better 

accommodate public concerns and 

comments. 

If you wish to comment, you may 

submit your comments and materials 

concerning this proposal by any one of 

several methods (see ADDRESSES). If you 

use e-mail to submit your comments, 

please include ‘‘Attn: Sierra Nevada 

bighorn sheep’’ in your e-mail subject 

header. If you do not receive a 

confirmation from the system that we 

have received your e-mail, contact us 

directly by calling our Nevada Fish and 

Wildlife Office at 775–861–6300. Please 

note that comments must be received by 

the date specified in the DATES section 

in order to consider them in our final 

determination and that the e-mail 

address snbighorn@fws.gov will be 

closed out at the termination of the 

public comment period. 

Before including your address, phone 

number, e-mail address, or other 

personal identifying information in your 

comment—you should be aware that 

your entire comment—including your 

personal identifying information—may 

be made publicly available at any time. 

While you can ask us in your comments 

to withhold your personal identifying 

information from public review, we 

cannot guarantee that we will be able to 

do so. 

Background 

It is our intent to discuss only those 

topics directly relevant to the 

designation of critical habitat in this 

proposed rule. For more information on 

the Sierra Nevada bighorn sheep, refer 

to the final listing rule published in the 

Federal Register on January 3, 2000 (65 

FR 20). However, some of this 

information will need to be cited or 

discussed in the substantive analyses 

below, where appropriate, such as the 

description of the primary constituent 

elements (PCEs) and proposed critical 

habitat units. 

The bighorn sheep (Ovis canadensis) 

is a large mammal in the family Bovidae 

described by Shaw in 1804 (Shackleton 

1985, p. 1). Cowen (1940, pp. 519–569) 

recognized several subspecies based on 

geography and skull measurements. 

Recent genetic (Ramey 1993, pp. 82–86; 

1995, pp. 432–434; Boyce et al. 1996, 

pp. 423–426, 429; Gutierrez-Espeleta et 

al. 1998, pp. 7–9, 11) and morphological 

data (Wehausen and Ramey 1993, pp. 4– 

8; 2000, pp. 148–153), and review and 

reanalysis of Cowan’s data (Ramey 1993, 


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p. 83), do not support Cowan’s original 

subspecies differentiation. Ramey (1993, 

pp. 71–72; 1995, p. 432) found, based on 

mitochondrial DNA, bighorn sheep from 

the Sierra Nevada to be more allied with 

sheep occupying the adjacent desert 

area than those to the north. Ramey 

(1993, pp. 67–68; 1995, pp. 433, 435) 

also found Sierra Nevada bighorn sheep 

to be a distinctive group in the desert 

region extending east to Utah and New 

Mexico and south to northern Mexico. 

Recent morphometric analyses of skull 

shape confirm genetic results 

(Wehausen and Ramey 2000, pp. 148–

153). Based on both genetic and 

morphometric data, Wehausen and 

Ramey (2000, p. 156) reassigned 

California bighorn sheep populations 

outside of the Sierra Nevada to other 

subspecies, thus recognizing bighorn 

sheep in the Sierra Nevada as its own 

subspecies. In a recent investigation of 

the taxonomy of Sierra Nevada bighorn 

sheep, Wehausen et al. (2005, p. 217) 

reexamined the history of bighorn sheep 

nomenclature and concluded, based on 

the original type specimen, that the 

correct nomenclature for native sheep in 

the central and southern Sierra Nevada 

mountains of California is Ovis 

canadensis sierrae. 

Sierra Nevada bighorn sheep inhabit 

portions of the Sierra Nevada located 

along the eastern boundary of California 

in Tuolumne, Mono, Fresno, Inyo, and 

Tulare counties. Habitat occurs from the 

eastern base of the range as low as 4,790 

feet (ft) (1,460 meters (m)) to its peaks 

above 14,100 ft (4,300 m) (Wehausen 

1980, pp. 3, 82). Based on recent 

modeling efforts, discussed further in 

the Criteria Used To Identify Critical 

Habitat section, Sierra Nevada bighorn 

sheep habitat, as well as areas necessary 

to provide connectivity between winter 

and summer ranges, occur as low as 

4,000 ft (1,219 m) in the southern 

portion of its range (Johnson et al. 2005). 

Sierra Nevada bighorn sheep inhabit 

open areas where the land is rocky, 

sparsely vegetated, and characterized by 

steep slopes and canyons (Wehausen 

1980, p. 81; Sierra Nevada Bighorn 

Sheep Interagency Advisory Group 

1997, p. 5). Wehausen (1980, pp. 18–25) 

provides a detailed description of Sierra 

Nevada bighorn sheep habitat 

throughout its range. They prefer open 

ground to better detect predators and 

allow enough time to reach steep, rocky 

terrain (escape habitat) (Wehausen 1980, 

p. 81). Forests and thick brush are 

usually avoided if possible (65 FR 21; 

January 3, 2000). Most of the sheep live 

at higher elevations (10,000 to 14,000 ft 

(3,050 to 4,270 m)) in the subalpine and 

alpine areas during the summer (65 FR 

21; January 3, 2000). During winter, 

these sheep occupy high elevation, 

windswept ridges and tend to prefer 

south-facing slopes where snow melts 

more readily (Jones 1950, pp. 44–45; 

McCullough and Schneegas 1966, p. 71; 

Wehausen 1980, pp. 86–87) or migrate 

to lower elevations (4,800 ft (1,460 m)) 

in the sagebrush-steppe areas to avoid 

deep snow and to find forage. 

Sierra Nevada bighorn sheep are 

gregarious with group size and 

composition depending on gender and 

season. Spatial segregation by gender 

occurs outside of the mating season. 

Ewes generally remain with the same 

band in which they were born (Cowan 

and Geist 1971, pp. 80–81). Males older 

than two years of age remain apart from 

females and younger males for most of 

the year (Jones 1950, p. 50; Cowan and 

Geist 1971, p. 65; Wehausen 1980, p. 

109). During the winter, the groups 

come together and concentrate in 

suitable winter habitat. 

Breeding takes place in late fall, 

generally November and December 

(Jones 1950, pp. 63–64; Cowan and 

Geist 1971, p. 64; Wishart 1978, p. 165). 

Lambing occurs between late April and 

early July (Wehausen 1996, p. 475), on 

safe, precipitous, rocky slopes 

(Wehausen 1980, p. 95); most lambs in 

the Sierra Nevada are born in May and 

June (Wehausen 1980, p. 94; 1996, p. 

475). Ewes and lambs often occupy 

steep terrain that provides a diversity of 

exposures and slopes for escape cover 

(65 FR 21; January 3, 2000). The average 

lifespan is 9 to 11 years for both males 

and females (Cowan and Geist 1971, p. 

68; Wehausen 1980, p. 76). 

Bighorn sheep are primarily diurnal 

(Jones 1950, pp. 54–57). They are 

primarily grazers; however, they may 

browse woody vegetation at times. 

Plants consumed include various 

grasses, browse, and herbaceous plants, 

depending on season and location 

(Wehausen 1980, pp. 80–93). Naturally 

occurring salt/mineral licks provide 

necessary minerals for bone and muscle 

growth. 

While distribution of bighorn sheep is 

naturally fragmented on the landscape, 

the maintenance of migration corridors 

(space) is important to allow genetic 

exchange between Sierra Nevada 

bighorn sheep herds. The population 

ecology of bighorn sheep has been 

described as a metapopulation with 

geographically distinct herds interacting 

in a network (Schwartz et al. 1986, p. 

184; Bleich et al. 1990, pp. 384–388). 

The movements by rams between herds 

can counteract the effects of inbreeding 

that can develop with small, isolated 

populations (Schwartz et al. 1986, pp. 

182–185). 

Previous Federal Actions 

On April 20, 1999, we published an 

emergency rule listing the Sierra Nevada 

DPS of the California bighorn sheep 

(SNBS) as endangered (64 FR 19300) 

providing emergency protections to the 

DPS until such time that we could 

complete the normal listing process. We 

also published a proposed rule to list 

the DPS on the same date (64 FR 19333). 

On January 3, 2000, we published a 

final rule listing the SNBS DPS as 

endangered (65 FR 20). The emergency 

rule stated that the designation of 

critical habitat was not determinable 

due to lack of information sufficient to 

perform the required analysis of impacts 

of the designation. In the final listing 

rule we stated our revised 

determination: That there is sufficient 

information to perform the required 

impact analysis and that the designation 

of critical habitat is prudent. During our 

current efforts to propose critical habitat 

for the Sierra Nevada bighorn sheep, we 

noticed that the final listing rule 

published in 2000 (65 FR 20) 

inadvertently listed this entity as a 

subspecies rather than as a DPS. While 

the listing rule addressed the DPS 

question, we failed to include the DPS 

language in the table found in the 

regulatory section of the rule. However, 

as stated above, based on the work of 

Wehausen and Ramey (2000, p. 156) 

and Wehausen et al. (2005, p. 217), the 

Sierra Nevada bighorn sheep is 

recognized as a subspecies, and the 

correct nomenclature is Ovis canadensis 

sierrae. Therefore, we are formally 

proposing a taxonomic revision to 

amend the final listing rule from DPS to 

subspecies, Ovis canadensis sierrae. 

Therefore, within this proposed critical 

habitat designation rule we will refer to 

the listed entity as a subspecies and not 

as a DPS. 

On July 30, 2003, we made available 

the Service’s Draft Recovery Plan for the 

Sierra Nevada Bighorn Sheep (Ovis 

canadensis californiana) (68 FR 44808). 

On October 9, 2003, we re-opened the 

comment period for the draft Recovery 

Plan (68 FR 58355). We are currently 

working with land management 

agencies and stakeholders to finalize the 

Recovery Plan by the summer of 2007. 

On December 8, 2005, the Center for 

Biological Diversity filed a complaint 

based on the Service’s failure to 

designate critical habitat for this 

subspecies within the time mandated 

under the Act (Center for Biological 

Diversity v. U.S. Fish and Wildlife 

Service, et al. Case No. 2:05–CB–02492–

DFL–KJM). On June 6, 2006, the Service 

entered into a settlement agreement 

with the Center for Biological Diversity 


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40958 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

to submit a proposed critical habitat 

designation for this subspecies for 

publication in the Federal Register by 

July 17, 2007, and to submit a final 

determination on the proposed critical 

habitat designation for publication by 

July 17, 2008. 

For more information on previous 

Federal actions concerning Sierra 

Nevada bighorn sheep, refer to the final 

listing rule published in the Federal 

Register on January 3, 2000 (65 FR 20). 

Critical Habitat 

Critical habitat is defined in section 3 

of the Act as: 

(1) The specific areas within the 

geographical area occupied by a species, 

at the time it is listed in accordance 

with the Act, on which are found those 

physical or biological features 

(a) essential to the conservation of the 

species and 

(b) that may require special 

management considerations or 

protection; and 

(2) specific areas outside the 

geographical area occupied by a species 

at the time it is listed, upon a 

determination that such areas are 

essential for the conservation of the 

species. 

Conservation, as defined under 

section 3 of the Act, means to use and 

the use of all methods and procedures 

that are necessary to bring any 

endangered species or threatened 

species to the point at which the 

measures provided under the Act are no 

longer necessary. 

Critical habitat receives protection 

under section 7 of the Act through the 

prohibition against Federal agencies 

carrying out, funding, or authorizing the 

destruction or adverse modification of 

critical habitat. Section 7 of the Act 

requires consultation on Federal actions 

that may affect critical habitat. The 

designation of critical habitat does not 

affect land ownership or establish a 

refuge, wilderness, reserve, preserve, or 

other conservation area. Such 

designation does not allow government 

or public access to private lands. 

Section 7 of the Act is a purely 

protective measure and does not require 

implementation of restoration, recovery, 

or enhancement measures. 

For inclusion in a critical habitat 

designation, the habitat within the 

geographical area occupied by the 

species at the time of listing must first 

have features that are essential to the 

conservation of the species. Critical 

habitat designations identify, to the 

extent known using the best scientific 

data available, habitat areas that provide 

essential life cycle needs of the species 

(i.e., areas on which are found the 

primary constituent elements, as 

defined at 50 CFR 424.12(b)). 

Habitat within the geographical area 

occupied by the species at the time of 

listing may be included in critical 

habitat only if the habitat has essential 

features that may require special 

management or protection. Thus, we do 

not include areas where existing 

management is sufficient to conserve 

the PCEs and the species. (As discussed 

below, such areas may also be excluded 

from critical habitat under to section 

4(b)(2) of the Act.) 

We can designate unoccupied areas as 

critical habitat. However, when the best 

available scientific data do not 

demonstrate that the conservation needs 

of the species require additional areas, 

we will not designate critical habitat in 

areas outside the geographical area 

occupied by the species at the time of 

listing. 

Section 4 of the Act requires that we 

designate critical habitat on the basis of 

the best scientific and commercial data 

available. Further, our Policy on 

Information Standards Under the 

Endangered Species Act, published in 

the Federal Register on July 1, 1994 (59 

FR 34271), the Information Quality Act 

(section 515 of the Treasury and General 

Government Appropriations Act for 

Fiscal Year 2001 (Pub. L. 106–554; H.R. 

5658)), and our associated Information 

Quality Guidelines provide criteria, 

establish procedures, and provide 

guidance to ensure that our decisions 

represent the best scientific data 

available. They require our biologists, to 

the extent consistent with the Act and 

with the use of the best scientific data 

available, to use primary and original 

sources of information as the basis for 

recommendations to designate critical 

habitat. When determining which areas 

may be designated as critical habitat, a 

primary source of information is 

generally the listing package for the 

species. Additional information sources 

include the recovery plan for the 

species, articles in peer-reviewed 

journals, conservation plans developed 

by States and counties, scientific status 

surveys and studies, biological 

assessments, or other unpublished 

materials and expert opinion or 

personal knowledge. All information is 

used in accordance with the provisions 

of the Information Quality Act and the 

associated Information Quality 

Guidelines issued by the Service. 

Habitat is often dynamic, and species 

may move from one area to another over 

time. Furthermore, we recognize that 

designation of critical habitat may not 

include all of the habitat areas that we 

may eventually determine are necessary 

for the recovery of the species. For these 

reasons, a critical habitat designation 

does not signal that habitat outside the 

designation is unimportant or may not 

be required for recovery. 

Areas that support populations of 

Sierra Nevada bighorn sheep, but are 

outside the critical habitat designation, 

will continue to be subject to 

conservation actions we implement 

under section 7(a)(1) of the Act. They 

are also subject to the regulatory 

protections afforded by the section 

7(a)(2) jeopardy standard, as determined 

on the basis of the best available 

information at the time of the agency 

action. Federally funded or permitted 

projects affecting listed species outside 

their designated critical habitat areas 

may still result in jeopardy findings in 

some cases. Similarly, critical habitat 

designations made on the basis of the 

best available information at the time of 

designation will not control the 

direction and substance of future 

recovery plans, habitat conservation 

plans (HCPs), or other species 

conservation planning efforts if new 

information available to these planning 

efforts calls for a different outcome. 

Methods 

As required by section 4(b) of the Act, 

we used the best scientific data 

available in determining areas occupied 

at the time of listing that contain the 

features essential to the conservation of 

Sierra Nevada bighorn sheep, and areas 

unoccupied at the time of listing that are 

essential to the conservation of the 

subspecies. We have also reviewed 

available information pertaining to the 

habitat requirements of this subspecies. 

These data include: information from 

the final listing rule (65 FR 20, January 

3, 2000); information published in peerreviewed literature, provided in 

academic theses and agency reports, and 

published in a Resource Selection 

Probability Functions model; location 

data and survey information provided in 

agency status and monitoring reports 

and on Geographic Information System 

(GIS) maps; information provided in the 

subspecies’ draft recovery plan (Service 

2003); material submitted during section 

7 consultations; discussions with 

members of California Department of 

Fish and Game’s (CDFG’s) Sierra 

Nevada Bighorn Sheep Recovery 

Program and the Sierra Nevada Bighorn 

Sheep Recovery Team; and regional GIS 

coverages. 

Primary Constituent Elements 

In accordance with section 3(5)(A)(i) 

of the Act and regulations at 50 CFR 

424.12, in determining which areas to 

propose as critical habitat within 

geographical areas occupied by the 


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Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40959 

species at the time of listing, we 

consider the primary constituent 

elements to be those physical and 

biological features that are essential to 

the conservation of the species and 

which may require special management 

considerations and protection. These 

include, but are not limited to: 

(1) Space for individual and 

population growth and for normal 

behavior; 

(2) Food, water, air, light, minerals, or 

other nutritional or physiological 

requirements; 

(3) Cover or shelter; 

(4) Sites for breeding, reproduction, 

and rearing (or development) of 

offspring; and 

(5) Habitats that are protected from 

disturbance or are representative of the 

historic geographical and ecological 

distributions of a species. 

We derive the specific primary 

constituent elements required for Sierra 

Nevada bighorn sheep from its 

biological needs. 

Space for Individual and Population 

Growth and for Normal Behavior 

In general, Sierra Nevada bighorn 

sheep inhabit open areas where the land 

is rocky, sparsely vegetated, and 

characterized by steep slopes and 

canyons (Wehausen 1980, p. 81; Sierra 

Nevada Bighorn Sheep Interagency 

Advisory Group 1997, p. 5). In the 

Sierra Nevada, these bighorn sheep 

occur within a wide range of elevations, 

from alpine peaks in excess of 14,100 ft 

(4,300 m) to the base of the eastern 

escarpment as low as 4,790 ft (1,460 m) 

(Wehausen 1980, pp. 3 and 82). Recent 

modeling efforts have clarified and 

supported our knowledge that Sierra 

Nevada bighorn sheep habitat occurs as 

low as 4,000 ft (1,219 m) in the southern 

portion of its range (Johnson et al. 2005). 

Within this elevational range, a variety 

of vegetation communities exists, 

including: (1) Great Basin sagebrushbitterbrush-bunchgrass scrub; (2) 

pinyon-juniper woodland and mountain 

mahogany scrub; (3) mid-elevation and 

subalpine forests, woodlands, and 

meadows; and (4) alpine meadows and 

other alpine habitats varying from cliffs 

to plateaus (Service 2003, p. 3). Sierra 

Nevada bighorn sheep prefer Great 

Basin scrub and alpine communities 

due to their visual openness. Because of 

the aridity of the eastern slope of the 

Sierra Nevada, many of the midelevation vegetation communities have 

some locations near precipitous rocks 

with sparse plant cover that allow use 

by bighorn sheep (Wehausen 1980, pp. 

18–25, 80–100). The extreme visual 

openness and the steep, rocky nature of 

alpine environments in the Sierra 

Nevada provide large expanses of 

habitat broken by canyons containing 

forests and willow stands. These areas 

of forests and willow stands are unlikely 

to be used by bighorn sheep. In contrast, 

low elevation winter habitat has been 

limited to small areas where 

topographic and visual features are 

suitable (Riegelhuth 1965, pp. 34–38; 

McCullough and Schneegas 1966, pp. 

71–72, 74–75; Wehausen 1979, pp. 36–

53; 1980, pp. 81–88). Large expanses 

lacking precipitous escape terrain can 

represent substantial barriers to 

movement (Sierra Nevada Bighorn 

Sheep Interagency Advisory Group 

1997, p. 5). 

Male and female bighorn sheep 

commonly live in separate groups 

during much of the year, and often 

occupy different habitats (Geist and 

Petocz 1977, pp. 1802–1803; Bleich et 

al. 1997, pp. 7–14, 22–34, 36–42; 

Wehausen 1980, p. 109). In the Sierra 

Nevada, both sexes may share common 

winter ranges, but they become more 

segregated as spring nears (Wehausen 

1980, pp. 112–113). During winter, 

bighorn sheep occupy high, windswept 

ridges if forage is available or move to 

lower elevation sagebrush-steppe 

habitat (as low as 4,790 ft (1,460 m)) to 

escape deep winter snows and find 

nutritious forage. In winter, they show 

a preference for south-facing slopes 

where snow melts more readily (Jones 

1950, pp. 44–45; McCullough and 

Schneegas 1966, p. 71; Wehausen 1980, 

pp. 86–87). During summer, the two 

sexes utilize different habitats, with 

females restricted largely to alpine 

environments along the crest and males 

often at somewhat lower elevations in 

subalpine habitats (Wehausen 1980, pp. 

112–113). Males again join females 

during the breeding season in late fall. 

Both males and females will inhabit 

open slopes where the area is rough, 

rocky, sparsely vegetated, and 

characterized by steep slopes and 

canyons (Wehausen 1980, p. 81; Sierra 

Nevada Bighorn Sheep Interagency 

Advisory Group 1997, p. 5). 

An indication of winter and summer 

range size for male and female Sierra 

Nevada bighorn sheep was provided by 

Wehausen (1980) and Chow (1992). 

Wehausen (1980, p. 84) determined 

winter and summer range sizes for the 

Baxter and Williamson herds. He 

estimated that total winter range was 

2,632 ac (10.65 square kilometers (km2)) 

and 3,291 ac (13.32 km2), respectively. 

Summer range for ewes, lambs, and 

yearlings was estimated at 13,005 ac 

(52.63 km2) and 3,808 ac (15.41 km2), 

respectively. Fall range was estimated at 

11,073 ac (44.81 km2) and 3,242 ac 

(13.12 km2), respectively. Chow (1992, 

p. 37) estimated home range size for the 

Lee Vining herd (winter/spring and 

summer/fall for rams and ewes) using 

the minimum convex polygon method 

(completely enclose all data points by 

connecting the outer locations in such a 

way as to create a convex polygon) 

during 1986 to 1989. During this period, 

ewes covered an area of 1,038 to 4,473 

ac (4.2 to 18.1 km2) during winter/ 

spring, and rams covered an area of 

2,941 to 6,919 ac (11.9 to 28.0 km2). 

During this same period, ewes covered 

2,347 ac to 5,535 (9.5 to 22.4 km2) 

during summer/fall while rams covered 

3,623 to 8,747 ac (14.7 to 35.4 km2). The 

mean minimum convex polygon home 

range was 7,759 ac (31.4 km2) for ewes 

and 20,979 ac (84.9 km2) for rams from 

Mount Warren/Mount Gibbs, Wheeler, 

Sawmill, and Baxter herds (Sierra 

Nevada Bighorn Sheep Recovery 

Program 2004, pp. 9, 17). 

Bighorn sheep have developed 

philopatric behaviors (reluctance to 

disperse from their home range) such 

that they are slow to colonize 

unoccupied habitat (Geist 1971, pp. 98–

99; Cowan and Geist 1971, p. 81). This 

is likely an adaptation to the naturally 

fragmented habitats that bighorn sheep 

occupy. Both male and female Sierra 

Nevada bighorn sheep demonstrate 

seasonal philopatry (Sierra Nevada 

Bighorn Sheep Recovery Program 2004, 

p. 7). While both males and females 

show a tendency to use the same ranges 

year after year, males show exceptions 

and demonstrate long-distance 

movements (Sierra Nevada Bighorn 

Sheep Recovery Program 2004, p. 7). 

Annual home range diameter provides 

an indication of the extreme distances 

the bighorn sheep can travel. Maximum 

diameters for home ranges for female 

Sierra Nevada bighorn sheep from the 

Mount Warren/Mount Gibbs, Wheeler, 

and Baxter herds ranged from 3.95 to 

10.41 mi (6.35 to 16.75 km); males from 

the Mount Warren/Mount Gibbs, 

Wheeler, and Sawmill herds ranged 

from 5.5 to 36.9 mi (8.9 to 59.4 km) 

(Sierra Nevada Bighorn Sheep Recovery 

Program 2004, pp. 9, 17). 

Bighorn sheep exhibit a variety of 

behavioral adaptations to avoid 

predation. Bighorn sheep are primarily 

diurnal (Jones 1950, pp. 54–57; 

Krausman et al. 1985, pp. 24–26). 

Coupled with their strong reliance on 

keen eyesight to detect predators, 

diurnal behavior minimizes predation 

risks. Due to their keen eyesight and 

agility on rocky slopes, bighorn sheep in 

general select open habitats that allow 

predator detection at distances great 

enough to allow time to reach steep, 

rocky terrain (escape habitat) 

(Wehausen 1980, p. 81). This 


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precipitous, rocky terrain is generally 

near foraging and resting areas. Bedding 

areas are needed for resting or sleeping 

purposes. During the day, bedding areas 

are generally wherever the individual is 

feeding. Bedding areas are made in the 

open but not necessarily in a place with 

a view of the surrounding area; during 

the night, bedding areas are generally 

among or near rugged, chuted cliffs 

(Jones 1950, p. 49). Bighorn sheep may 

venture a short distance away from 

rocky escape terrain to feed; the 

distance they venture from safer habitat 

varies and is apparently influenced by 

visual openness, wind, gender, season, 

and abundance of predators (Service 

2003, p. 6). 

Sites for Breeding, Reproduction, and 

Rearing of Offspring 

In the Sierra Nevada, ewes and rams 

come together in late fall or early winter 

(November and December) (Jones 1950, 

pp. 63–64; Cowan and Geist 1971, p. 64; 

Wishart 1978, p. 165) to breed, usually 

at high elevations. Bighorn sheep 

generally give birth to single young 

(Wishart 1978, p. 165). Most bighorn 

sheep births in the Sierra Nevada occur 

in May and June (Wehausen 1980, p. 94; 

1996, p. 475). Lambing habitat is in 

areas of precipitous rocks away from 

trees (Wehausen 1980, p. 95), providing 

safe areas from predators. Ewes with 

newborn lambs are solitary for a short 

period of time before joining nursery 

groups (65 FR 21; January 3, 2000). 

Mortality Factors 

Bighorn sheep die from a variety of 

causes including predation, disease, and 

accidents. Various predators, including 

wolves (Canis lupus), mountain lions 

(Felis concolor), coyotes (Canis latrans), 

bobcats (Lynx rufus), and golden eagles 

(Aquila chrysaetos) kill wild sheep in 

North America (Cowan and Geist 1971, 

p. 75; Bleich 1999, p. 283). Jones (1950, 

pp. 67–68) listed golden eagles, 

mountain lions, coyotes, wolverines 

(Gulo luscus), bobcats, and ravens 

(Corvus corax) as likely predators of 

Sierra Nevada bighorn sheep, but 

thought none of these predators caused 

anything but small losses on the 

population under normal 

circumstances. He thought predation 

overall was thought to be light except 

during abnormally unfavorable winters. 

In recent years in the Sierra Nevada, 

mountain lions have been the primary 

predator of bighorn sheep, accounting 

for 96 percent of losses attributed to 

predation (Service 2003, p. 10). Of 147 

bighorn sheep deaths recorded in the 

Sierra Nevada during 1975 to 2000, a 

minimum of 54.5 percent could be 

attributed to predation (Service 2003, p. 

10). 

Numerous diseases of bighorn sheep 

have been documented (Bunch et al. 

1999, pp. 209–237). Bighorn sheep show 

a high susceptibility to pneumonia, 

usually caused by bacteria of the genus 

Pasteurella (some species now called 

Mannheimia) (Post 1971, pp. 98–101). 

Pneumonia caused by Pasturella alone, 

or with other pathogens, is an important 

disease threat for bighorn sheep (Bunch 

et al. 1999, p. 210). Lungworms of the 

genus Protostrongylus can be important 

contributors to pneumonia and 

mortality in bighorn sheep in the Rocky 

Mountains (Forrester 1971, p. 158; 

Woodard et al. 1974, pp. 773–774). 

Bighorn in the Sierra Nevada carry 

Protostrongylus lungworms, but parasite 

loads have been too low to be 

considered a management concern 

(Wehausen 1980, p. 191). 

Although die-offs of bighorn sheep 

due to disease have occurred unrelated 

to domestic sheep (Miller et al. 1991, 

pp. 534–540), a substantial amount of 

circumstantial evidence is available that 

indicates that contact with domestic 

sheep is associated with respiratory 

disease outbreaks resulting in 

significant morbidity and mortality in 

wild bighorn sheep (Martin et al. 1996, 

pp. 72, 74). The history of bighorn sheep 

in the United States provides numerous 

examples of major die-offs following 

believed contact with domestic sheep 

(Foreyt and Jessup 1982, pp. 163–164, 

166; Singer et al. 2001, p. 1352; Coggins 

2002, pp. 166–170), and these 

pneumonia epizootics can extirpate 

entire populations (Martin et al. 1996, 

pp. 72, 75). Diseases transferred through 

contact with domestic sheep are 

suspected to have played a major role in 

the disappearance of certain bighorn 

sheep herds in the Sierra Nevada 

beginning about 1870 (Wehausen 1988b, 

p. 100). 

Many early die-offs of bighorn sheep, 

including some in the Sierra Nevada, 

were attributed to scabies contracted 

from domestic sheep (Jones 1950, p. 69; 

Buechner 1960, p. 111). In 1987, Clark 

et al. (1988, p. 13) found scabies in three 

desert bighorn sheep in California east 

of the Sierra Nevada. In a large sampling 

of 50 populations of bighorn sheep in 

California between 1980 and 1990, 25 

populations were designated as scabiespositive because at least 1 seropositive 

animal occurred at the low or high 

cutoff values, though no clinical 

evidence of scabies was noted (Mazat et 

al. 1992, pp. 543–545). 

Other infectious diseases may be of 

concern for bighorn sheep in selected 

instances. Domestic goats are 

occasionally used as pack animals in the 

back country or for brush control. This 

use could cause concern if it occurs in 

or near bighorn sheep habitat. For 

example, a recent outbreak of infectious 

keratoconjunctivitis (inflammation of 

the eye) linked to domestic goats 

resulted in blindness and several deaths 

(exacerbated by the blindness) in 

bighorn sheep in Arizona, 

demonstrating the risk of disease 

outbreak in bighorn sheep from 

interactions with domestic goats 

(Heffelfinger 2004, cited in Sierra 

Nevada Bighorn Sheep Recovery 

Program 2004, p. 2). 

Sierra Nevada bighorn sheep 

remaining at high elevations year-round 

likely contributed to population losses 

over winter (Wehausen 1996, pp. 474–

477). Those losses included reduced 

lamb survival over winter and losses of 

all sex and age classes in snow 

avalanches (Service 2003, pp. 10–11). A 

survey of the Wheeler Ridge herd during 

the heavy winter of 1995 found 12 

sheep had died in a single snow 

avalanche (Torres et al. 1996, p. 28). 

Metapopulation Structure 

Within mountain ranges like the 

Sierra Nevada, bighorn sheep habitat is 

patchy and the population structure is 

one of natural fragmentation (Bleich et 

al. 1990, p. 384). This fragmentation has 

led to the application of a broad 

landscape approach to their population 

ecology which groups geographically 

distinct herds into metapopulations, 

which are networks of interacting herds 

(Schwartz et al. 1986, pp. 182–183; 

Bleich et al. 1990, p. 386). This 

approach considers long-term viability 

not of individual herds but rather of 

entire metapopulations; thus both 

genetic and demographic factors are 

considered. Decreasing population 

sizes, over time, can lead to decreasing 

levels of heterozygosity (presence of 

different forms of a gene at a particular 

location on a chromosome) that may 

have negative demographic effects 

through inbreeding depression (Lande 

1988, p. 1456) and loss of adaptability. 

A small amount of genetic exchange 

among herds by movements of males 

can counteract inbreeding and 

associated increases in homozygosity 

(presence of identical forms of a gene at 

a particular location on a chromosome) 

that might otherwise develop within 

small, isolated populations (Schwartz et 

al. 1986, p. 185). Males have a much 

greater tendency than females to explore 

new ranges, which males may do in 

search of other females with which they 

will breed. If geographic distances 

between female groups within 

metapopulations are not great, gene 

migration by males occurs readily. In 


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the absence of such a metapopulation 

structure, populations will be isolated. 

Because the distribution of bighorn 

sheep in the Sierra Nevada, is naturally 

fragmented, maintenance of migration 

corridors is important to allow for 

genetic exchange between herd units. In 

the Sierra Nevada this exchange may be 

more difficult because the 

metapopulations occur mostly in a 

linear geographic distribution pattern; 

thus fewer populations may have 

provided sources of colonists (Service 

2003, p. 40). 

Substructuring also can occur within 

what are often thought of as single herds 

of bighorn sheep (Festa-Bianchet 1986, 

pp. 327–330; Andrew et al. 1997, pp. 

74–75; Rubin et al. 1998, pp. 543–548). 

Such substructuring is defined by 

separate home range patterns. Although 

demonstrated more with females, it can 

occur in both sexes. For example, what 

was once considered the Mount Baxter 

herd is now recognized as two herds, 

the Mount Baxter and Sawmill Canyon 

herds. 

Another important long-term process 

in metapopulation dynamics is the 

balance between rates of natural 

extinction and colonization among 

populations. Colonization rates must 

exceed extinction rates for a 

metapopulation to persist (Hanski and 

Gilpin 1991, pp. 8–9). This balance has 

not occurred for Sierra Nevada bighorn 

sheep since about 1850 due to the high 

rate of local extinctions resulting in an 

increasingly fragmented distribution. In 

addition to fragmentation from past 

extinctions, remaining herds are small, 

isolated groups of bighorn sheep. 

Because of their small population size, 

these small groups are more vulnerable 

to extirpation due to random naturally 

occurring events, disease, or predation 

(Shaffer 1987, pp. 71–73; Meffe and 

Carroll 1994, pp. 190–197; Service 2003, 

p. 8). 

Food and Nutritional Requirements 

Bighorn sheep are ungulates that 

consume a wide variety of plant species. 

Due to a large rumen and reticulum 

relative to body size, they are able to 

have flexibility in the plants they 

consume which includes graminoids 

(grasses, sedges, and rushes) in different 

phenological stages (Hanley 1982, p. 

148). Bighorn sheep consume a wide 

variety of plant species. While they 

prefer grasses, sedges, and forbs, 

different browse species become 

important food during the fall and 

winter (Wishart 1978, p. 167). 

Bighorn sheep exhibit seasonal 

changes in habitat use due to seasonal 

changes in resource availability, habitat 

and resource requirements. Sierra 

Nevada bighorn sheep rarely utilize 

surface water; instead, these bighorn 

sheep generally obtain moisture from 

their forage or the occasional 

consumption of snow. Altitudinal 

migration by Sierra Nevada bighorn 

sheep allows them to maximize nutrient 

intake during the year (Wehausen and 

Hansen 1988, pp. 256–257, 265–267; 

Wehausen 1996, pp. 476–477), as the 

relationship between elevation and 

temperature (Major 1977, pp. 44–45) 

influences plant growth (Wehausen 

1980, p. 86–91, 133–135). In general, 

temperatures decrease with increasing 

altitude (Major 1977, p. 44). In the 

Sierra Nevada, every 56 ft (17 m) of 

elevation gain causes 1 day delay in the 

onset of plant growth (Wehausen and 

Hansen 1988, p. 257). Bighorn sheep are 

able to take advantage of early spring 

growth (usually cold-season grasses) 

and then later change their diet to 

include warm-season plants that may 

have higher nutrient concentrations 

than grasses (Wehausen and Hansen 

1988, p. 257). Sierra Nevada bighorn 

sheep use low-elevation ranges 

extensively in winter and early spring, 

alpine ranges in summer and fall, and 

some intermediate ranges during 

transition periods (Wehausen 1980, pp. 

80–100). 

In the following section plant 

nomenclature has been updated to 

conform to treatments in Hickman 

(1993). Common names generally 

conform to those given in Hickman 

(1993) and/or Abrams et al. (1923–

1960). Cited scientific names are 

retained in brackets for ease of 

reference. The following plant species 

were found to be important winter/ 

spring forage for Sierra Nevada bighorn 

sheep: Achnatherum speciosum [Stipa 

speciosa] (desert needlegrass), 

Eriogonum fasciculatum (California 

buckwheat), Artemisia tridentata 

(sagebrush), Ephedra viridis (green 

ephedra), Keckiella breviflora (gaping 

keckiella), Purshia glandulosa (Mojave 

antelope bush), P. tridentata (northern 

antelope bush), and Ceanothus 

cordulatus (mountain whitethorn) 

(Wehausen 1980, p. 87). McCullough 

and Schneegas (1966, p. 72) and 

Riegelhuth (1965, p. 38) provide similar 

lists of plant species observed 

consumed by Sierra Nevada bighorn 

sheep during winter and/or summer 

(TABLE 1). Wehausen (1980, pp. 124–

126) provides a list of plants consumed 

by both sexes in summer (TABLE 1). 

TABLE 1.—PLANT SPECIES OBSERVED CONSUMED BY SIERRA NEVADA BIGHORN SHEEP DURING SUMMER AND FALL

MONTHS (MCCULLOUGH AND SCHNEEGAS (1966, P. 72); RIEGELHUTH (1965, P. 38); WEHAUSEN 1980, P. 124–126). 

Sex Season Scientific name Common name 

Ewes and Lambs ... Summer and fall .... Polemonium eximium ........................................................... sky pilot. 

Hulsea algida ........................................................................ alpine hulsea. 

Carex helleri ......................................................................... Heller’s sedge. 

C. rossii ................................................................................ Ross’ sedge. 

C. leporinella ........................................................................ Sierra hare sedge. 

Elymus elymoides ssp. elymoides [Sitanion hystrix] ........... bottlebrush squirreltail. 

Phacelia hastata [frigida] ...................................................... timberline phacelia. 

Silene sargentii ..................................................................... Sargent’s campion. 

Aquilegia pubescens ............................................................ Coville’s columbine. 

Ivesia pygmaea .................................................................... dwarf ivesia. 

Juncus parryi ........................................................................ Parry’s rush. 

Achnatherum [Stipa] pinetorum ............................................ pine needlegrass. 

Lupinus formosus ................................................................. summer lupine. 

Rams ..................... Summer and fall .... Juncus parryi ........................................................................ Parry’s rush. 

Carex filifolia var. erostrata [exserta] ................................... (no common name). 

C. rossi ................................................................................. (no common name). 

C. aurea ................................................................................ golden-fruited sedge. 

Luzula comosa ..................................................................... hairy wood rush. 

Poa cusickii ssp. epilis [epilis] .............................................. mountain bluegrass. 

Elymus elymoides ssp. elymoides [Sitanion hystrix] ........... (no common name). 


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TABLE 1.—PLANT SPECIES OBSERVED CONSUMED BY SIERRA NEVADA BIGHORN SHEEP DURING SUMMER AND FALL

MONTHS (MCCULLOUGH AND SCHNEEGAS (1966, P. 72); RIEGELHUTH (1965, P. 38); WEHAUSEN 1980, P. 124–

126).—Continued 

Sex Season Scientific name Common name 

Danthonia intermedia ........................................................... mountain oatgrass. 

Achnatherum lemmonii [Stipa columbiana] .......................... Lemmon’s stipa. 

Eriogonum latens ................................................................. onion-flowered eriogonum. 

Trifolium monanthum ............................................................ carpet clover. 

Both sexes ............. Summer ................. Holodiscus microphyllus ....................................................... small-leaved cream bush. 

Jamesia americana .............................................................. cliff bush. 

Ribes montigenum ............................................................... alpine prickly currant. 

Potentilla fruticosa ................................................................ shrubby cinquefoil. 

In addition to forage needs, salt/ 

mineral licks are specific sites where 

bighorn sheep have access to important 

minerals to meet nutritional needs. 

These licks contain minerals such as 

sodium, calcium, iron, and phosphorus. 

Sites are generally found in granite rock 

outcroppings in the Sierra Nevada. 

Some known areas occur in the vicinity 

of Gilcrest Peak and Tioga Road (Chow 

1992, p. 52), Baxter Pass (Jones 1950, p. 

63; Hicks and Elder 1979, p. 911; 

Wehausen 1980, p. 151), and Mayfield 

Canyon (Stephenson 2007). 

Historical and Geographic Distribution 

of the Species 

Historically, the range of the Sierra 

Nevada bighorn sheep included the 

eastern slope of the Sierra Nevada, and 

for at least one subpopulation, a portion 

of the western slope, from Sonora Pass 

in Mono County to Walker Pass in Kern 

County, a total distance of 

approximately 346 km (215 miles (mi)) 

(Jones 1950, pp. 33–35; Wehausen 1979, 

p. 1). The extant range of the Sierra 

Nevada bighorn sheep begins in the Lee 

Vining area in Mono County and 

extends south to the Mount Langley area 

in Inyo County. This is a linear distance 

of approximately 110 mi (177 km). 

All currently occupied units that are 

proposed for designation were occupied 

at the time of listing and contain the 

physical and biological features 

essential to the conservation of the 

subspecies and may require special 

management considerations or 

protection. The areas proposed for 

designation that are currently 

unoccupied were also not occupied at 

the time of listing, however these areas 

are representative of the historical and 

geographical distribution of the Sierra 

Nevada bighorn sheep and were all 

historically occupied (Ober 1914, p. 

125; Ober 1931, p. 32; Jones 1950, pp. 

35, 38–40; Buechner 1960, p. 69; Barrett 

1965, p. 43; Riegelhuth 1965, p. 35; 

Dunaway 1971, p. 19; Wehausen et al. 

1987, p. 66; Wehausen 1988a, pp.100–

101; Wehausen 1988b, p. 100; Berger 

1990, p. 94). Furthermore, we have 

determined that all proposed 

unoccupied habitat is essential for the 

conservation of the subspecies and will 

decrease the degree of fragmentation 

within the current geographic 

distribution of the subspecies. For 

further information on occupancy status 

see Table 3 and the Unit Description 

sections below. 

Primary Constituent Elements for Sierra 

Nevada Bighorn Sheep 

Under the Act and its implementing 

regulations, we are required to identify 

the known physical and biological 

features (primary constituent elements 

or PCEs) within the geographical area 

occupied, which may require special 

management considerations or 

protection. All areas proposed as critical 

habitat for Sierra Nevada bighorn sheep 

are within the subspecies’ historical 

geographic range, and contain sufficient 

PCEs to support at least one life history 

function. 

Based on the above needs and our 

current knowledge of the life history, 

biology, and ecology of the subspecies, 

we have determined that the Sierra 

Nevada bighorn sheep’s PCEs are: 

(1) Non-forested habitats or forest 

openings within the Sierra Nevada from 

4,000 ft (1,219 m) to 14,500 ft (4,420 m) 

in elevation with steep (greater than or 

equal to 60 percent slope), rocky slopes 

that provide for foraging, mating, 

lambing, predator avoidance, and 

bedding and allow for seasonal 

elevational movements between these 

areas. 

(2) Presence of a variety of forage 

plants as indicated by the presence of 

grasses (e.g., Achnanthera spp.; Elymus 

spp.) and browse (e.g., Ribes spp.; 

Artemisia spp., Purshia spp.) in winter, 

and grasses, browse, sedges (e.g., Carex 

spp.) and forbs (e.g., Eriogonum spp.) in 

summer. 

(3) Presence of granite rock 

outcroppings containing minerals such 

as sodium, calcium, iron, and 

phosphorus that could be used as salt 

licks/mineral licks in order to meet 

nutritional needs. 

We determined that these PCEs 

contained within the proposed critical 

habitat units discussed below provide 

for the physiological, behavioral, and 

ecological requirements of the Sierra 

Nevada bighorn sheep. The first PCE 

provides for the general biotic 

communities that are known to support 

Sierra Nevada bighorn sheep habitat in 

the Sierra Nevada of California. Sierra 

Nevada bighorn sheep are not known to 

occur outside of the communities/ 

elevations described in this PCE. This 

PCE further provides the components 

necessary for foraging (summer and 

winter), breeding, lambing, predator 

avoidance, and bedding, and allows for 

seasonal elevational movements among 

these areas. 

The second PCE describes the types of 

food necessary to meet the biological 

needs of the Sierra Nevada bighorn 

sheep related to seasonal range 

movements. Altitudinal migration by 

Sierra Nevada bighorn sheep allows 

them to maximize nutrient consumption 

during the year (Wehausen and Hansen 

1988, pp. 256–257, 265–267; Wehausen 

1996, pp. 476–477), as the relationship 

between elevation and temperature 

(Major 1977, pp. 44–45) influences plant 

growth (Wehausen 1980, pp. 86–91, 

133–135), as discussed earlier. 

Wehausen (1980, p. 86) found winter 

diet quality was improved with warmer 

winter temperatures that aided plant 

growth; he found summer diet quality 

was improved, apparently, by the 

amount of snowfall the previous winter, 

which may influence soil moisture for 

alpine plants (Wehausen 1980, p. 133). 

The third primary constituent element 

provides for additional nutritional 

needs. Mineral licks provide necessary 

nutrients, important in meeting dietary 

requirements. 

We have designed this proposed 

designation for the conservation of PCEs 


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necessary to support the life history 

functions that were the basis for our 

proposal and the areas containing those 

PCEs. Because not all life history 

functions require all the PCEs, not all 

areas proposed as critical habitat will 

contain all the PCEs. 

We propose units for designation 

based on sufficient PCEs being present 

to support one or more of the 

subspecies’ life history functions. Some 

units contain all PCEs and support 

multiple life processes, while some 

units contain only a portion of the PCEs 

necessary to support the subspecies’

particular use of that habitat. This 

applies to both occupied and 

unoccupied units proposed in this 

designation. 

Criteria Used To Identify Critical 

Habitat 

We propose to designate critical 

habitat in areas that we have determined 

were occupied at the time of listing and 

that contain sufficient PCEs to support 

life history functions essential for the 

conservation of the subspecies and may 

require special management 

considerations or protection. Some 

lands contain only a portion of the PCEs 

necessary to support the particular use 

of that habitat during that portion of the 

life process. We propose to designate 

critical habitat on some specific 

unoccupied areas outside of the 

geographical area occupied by the 

subspecies at the time of listing, but 

these areas were historically occupied, 

and we have determined that they are 

essential for the conservation of the 

subspecies. 

In our analysis, we reviewed existing 

data to determine the distribution of 

areas occupied by the subspecies at the 

time of listing. We also reviewed 

available information related to the 

habitat requirements of the subspecies. 

We used information from literature 

cited in the final listing rule (65 FR 20; 

January 3, 2000), the recovery plan, site 

records, reports prepared by CDFG, and 

other published scientific literature. 

We used the following criteria to 

select areas occupied by the Sierra 

Nevada bighorn sheep at the time of 

listing for inclusion in critical habitat: 

(a) Those areas occupied by the Sierra 

Nevada bighorn sheep at the time of 

listing (1999–2000) as indicated in the 

final listing rule (65 FR 20; January 3, 

2000). In the final rule, we identified 

five subpopulations of Sierra Nevada 

bighorn sheep that existed: (1) Lee 

Vining Canyon (=Mount Warren, Mt. 

Gibbs Herd Units), (2) Wheeler Crest 

(=Wheeler Ridge Herd Unit), (3) Mount 

Baxter (=Sawmill Canyon, Mount Baxter 

Herd Units), (4) Mount Williamson 

(=Mount Williamson Herd Unit), and (5) 

Mount Langley (=Mount Langley Herd 

Unit) in Mono and Inyo counties, 

California (Wehausen 1999, pp. 1–7; 

2000, pp. 1–6); 

(b) areas that are representative of the 

distribution of the Sierra Nevada 

bighorn sheep throughout the 

geographical range occupied at the time 

of listing with the goal of maintaining 

the subspecies’ range of habitat and 

genetic variability; and 

(c) areas that allow for the continued 

existence of viable subpopulations 

under varying environmental conditions 

and that can serve as locations for 

source populations. The locations of all 

five subpopulations identified in the 

original listing rule continue to remain 

occupied today. 

Current population estimates of the 

Sierra Nevada bighorn sheep in 2006 

indicate 350 to 400 individuals occur 

throughout its range (Wehausen and 

Stephenson 2006, p. 7); this is an 

increase from the 125 individuals 

estimated at the time of listing (65 FR 

20; January 3, 2000). Current individual 

herd numbers in the different 

subpopulations range from 8 to 113 

individuals (Wehausen and Stephenson 

2006, p. 7). Current occupancy of these 

herd units is supported by agency 

reports (Wehausen and Stephenson 

2004, pp. 2–10; 2005, pp. 2–6; 2006, pp. 

2–6), status reports (Wehausen 1999, pp. 

1–7; 2000, pp. 1–6), and monthly CDFG 

monitoring reports based on GPS/ 

telemetry/monitoring data collected 

during 2001 through 2006. We have 

determined that the areas occupied at 

the time of listing continue to be 

occupied, contain features essential to 

the conservation of the subspecies 

(possess one or more PCEs such that the 

area supports one or more of the Sierra 

Nevada bighorn sheep’s life processes), 

and provide sufficient habitat to protect 

these populations. 

We further propose to designate 

critical habitat on lands that were 

historically occupied by the Sierra 

Nevada bighorn sheep, but were not 

occupied at the time of listing and are 

not currently occupied. These areas 

were all historically occupied within 

the past 90 years (Jones 1950, pp. 33–

35) and are essential to the conservation 

of the subspecies. Based on the best 

available information, we have 

determined that without protection and 

management of these unoccupied areas, 

conservation of the subspecies will not 

be possible. 

We applied each of the following 

criteria to select areas historically 

occupied, but not known to be occupied 

at the time of listing by the Sierra 

Nevada bighorn sheep, for inclusion in 

critical habitat: 

(1) Areas where habitat contains 

sufficient PCEs (e.g, characteristics such 

as non-forested, steep, rocky slopes and 

foraging areas) to support life history 

functions; 

(2) Areas where habitat has been 

known to have been occupied by the 

subspecies. In some areas this was as 

long ago as 90 years (Jones 1950, pp. 33–

35). In all of the areas the habitat has not 

changed appreciably in size or quality 

during that time; 

(3) Areas where appropriate habitat 

for Sierra Nevada bighorn sheep has 

been predicted by CDFG based on 

Resource Selection Probability 

Functions modeling (Johnson et al. 

2005) (i.e., contains habitat with the 

PCEs and additional, more specific 

characteristics that allow for a range of 

the subspecies’ biological needs, such as 

sites for feeding); 

(4) Areas where there is potential for 

reoccupation by the subspecies, either 

through natural means of dispersal from 

currently occupied areas or by future reintroduction efforts; and 

(5) Areas that are geographically 

separated from currently occupied units 

by approximately 0.5 to 8 mi (0.8 to 12.9 

km) to provide redundancy of habitat in 

the event of a natural catastrophe 

removing habitat (PCEs) from currently 

occupied units. 

The designation of these unoccupied 

areas would decrease the degree of 

fragmentation within the current 

geographic distribution of the Sierra 

Nevada bighorn sheep. We believe that 

the designation of these additional areas 

is essential for the conservation of the 

subspecies because: 

(1) Population increases, either 

through natural means or 

reintroductions into the additional 

units, are expected to increase the 

viability of the herds within occupied 

areas as well as the existence of the 

Sierra Nevada bighorn sheep as a whole 

(i.e., increase the likelihood of 

persistence at the local population level 

and of this subspecies rangewide); 

(2) The Sierra Nevada bighorn sheep 

is recognized as a unique subspecies 

(Wehausen and Ramey 2000, p. 156; 

Wehausen et al. 2005, p. 217), and the 

additional units will serve to decrease 

the degree of fragmentation of the 

current geographic distribution of the 

sheep (i.e., increase connectivity 

between areas known to be currently 

occupied). Fragmented distribution 

across the landscape reduces the 

connectivity between subpopulations. If 

small populations are isolated and 

remain small, there is an increased risk 

of genetic drift and risk to persistence 


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due to naturally occurring events 

(Gilpin and Soule 1986, pp. 25, 33). 

Maintenance of genetic variation is 

important in reducing inbreeding 

depression and the ability to respond to 

environmental changes over time 

especially in small populations 

(Schwartz et al. 1986, pp. 180–186; 

Lande 1988, pp. 1456–1457). 

Establishing additional units/ 

subpopulations in unoccupied areas 

would fill in range gaps between the 

other occupied units/subpopulations. 

All of the unoccupied units lie within 

8 mi (12.9 km) of an occupied area. This 

would reduce migration distances and 

increase the opportunity for genetic 

exchange between the subpopulations. 

The addition of these unoccupied units 

would ensure the full geographic 

distribution of the Sierra Nevada 

bighorn sheep is represented; and 

(3) The current overall population 

size of the Sierra Nevada bighorn sheep 

is small, and it must increase to insure 

the long-term survival of this subspecies 

in the Sierra Nevada, as small 

populations are more vulnerable to 

extinction (Meffe and Carroll 1994, pp. 

190–197; Shaffer 1987, pp. 71–73). 

While the occupied units provide 

habitat for current populations, 

additional units would provide habitat 

for population growth either through 

natural means or through reintroductions. Population increase in 

the additional units would assist in 

reducing the risk of extinction of the 

subspecies through stochastic events, 

such as wildfire, disease (Miller et al. 

1991, pp. 534–540; Martin et al. 1996, 

pp. 72, 74; Bunch et al. 1999, pp. 209–

237), or avalanches (Torres et al. 1996, 

p. 28), as the current isolated 

populations are few in number and 

small in size and at risk from such 

stochastic events. Establishing 

additional subpopulations, increasing a 

subpopulation’s size, and increasing the 

overall distribution of subpopulations 

across the landscape are fundamental in 

reducing the significance of losing any 

single subpopulation. 

We have determined that the 

proposed but unoccupied Twin Lakes, 

Green Creek, and Coyote Ridge Herd 

Unit areas, as identified in the draft 

recovery plan (Service 2003), are not 

essential for the conservation of the 

Sierra Nevada bighorn sheep. During the 

recovery team’s continuing efforts to 

finalize the draft recovery plan, an 

additional herd unit, Bubbs Creek, is to 

be included in the recovery plan due to 

bighorn sheep occupying this area 

(Wehausen and Stephenson 2004, p. 5; 

Benz 2007, p. 1). These four herd units 

are considered not essential for the 

following reasons: 

(1) We believe that the 12 units we 

propose for critical habitat would 

provide the necessary habitat and area 

to insure the viability and long-term 

survival of the Sierra Nevada bighorn 

sheep at the local and subspecies levels 

as well as provide for sufficient 

resiliency, representation and 

redundancy; 

(2) There is uncertainty whether 

viable Sierra Nevada bighorn sheep 

herds can become established in the 

proposed Twin Lakes, Green Creek, and 

Coyote Ridge Herd Unit areas due to the 

lack of historic evidence regarding the 

number of animals that may have 

occurred in these areas and/or our 

limited understanding of the availability 

and connectivity between foraging 

habitats in these areas. Thus, there is a 

question as to whether there is a 

potential for reoccupation by the 

subspecies, either through natural 

means of dispersal or by future reintroduction efforts. As a result, the 

three proposed herd unit areas do not 

meet our criteria number 4 for 

identification of critical habitat outlined 

above. Therefore, the proposed Twin 

Lakes, Green Creek, and Coyote Ridge 

Herd Unit areas are not considered 

essential for recovery; and 

(3) Bighorn sheep were discovered in 

the Bubbs Creek Herd Unit in 2001 and 

were likely a result of a recent 

colonization. That herd unit is west of 

the crest of the Sierra Nevada where 

snowfall is much greater than the east 

side of the range. Because there are no 

historical records of bighorn sheep 

winter ranges in the Bubbs Creek area, 

there is uncertainty as to the long-term 

viability of this herd unit. Consequently 

the Bubbs Creek Herd Unit is not 

considered essential for recovery. 

Further, the concern for disease 

transmission from domestic sheep to 

Sierra Nevada bighorn sheep is reduced 

by not including the unoccupied herd 

units as essential to the recovery of the 

subspecies. Twin Lakes and Green 

Creek overlap with portions of a few 

currently active domestic sheep 

allotment boundaries. Bubbs Creek and 

Coyote Ridge Herd Units do not occur 

near any domestic sheep allotments. 

We delineated polygon boundaries for 

each unit proposed for critical habitat 

designation within the Sierra Nevada 

bighorn sheep’s historic range and 

around areas occupied at the time of 

listing, or known to have been 

historically occupied and considered 

essential for the conservation of the 

subspecies. We based our consideration 

of boundary delineation on the 

knowledge that bighorn sheep are 

naturally philopatric and fit a 

metapopulation model. Separate female 

groups tend to be geographically 

segregated, and these groups can be 

defined by separate home range 

patterns. The existing herds provided 

information related to home range and 

habitat use patterns. Low elevation 

winter range habitat is an important, 

and an apparently limiting, factor in the 

Sierra Nevada that occurs in disjunct 

patches. We defined unit boundaries 

around those patches and 

geographically connected habitat that 

provides visually open habitat on 

steeper slopes (Wehausen 2006, p.1). 

We also considered, factors such as 

knowledge of the range of elevations 

used by Sierra Nevada bighorn sheep, 

topographic features known to be 

needed by the subspecies, sighting 

records, published literature, and the 

expertise of bighorn sheep biologists of 

the local conditions (high elevation, 

snow-free winter habitat; lower 

elevation, south or east-facing habitat; 

visual openness; and high elevation, 

summer habitat) during boundary 

delineation. In addition, a Resource 

Selection Probability Functions model 

for winter and summer habitat was 

developed that can quantitatively 

evaluate habitat conditions (Johnson et 

al. 2005). This modeling effort was used 

to support and refine unit boundaries 

(Wehausen 2006, p. 2) which contain 

the PCEs and additional, more specific 

characteristics. The model included 

variables such as: elevation, slope, 

aspect, hillshade, terrain ruggedness, 

distance to escape terrain, and 

vegetation to determine visibility 

(Johnson et al. 2005, pp. 8–9). Pixels 

(smallest element of an image that can 

be individually processed in a video 

display system) in the study area that 

received a relative winter and summer 

probability of use value in the 90–100 

percent quartile were considered winter 

and summer ranges. Each unit boundary 

surrounds the areas we consider to be 

winter and summer range, as well as 

areas necessary to provide connectivity 

between these ranges. These boundary 

lines translate onto the ground by 

roughly following elevation and 

geomorphic features. As one progresses 

from south to north along the Sierra 

Nevada, the low elevation of the units 

increases. The elevation of the boundary 

lines begins at a low of 4,000 ft (1,219 

m) for Unit 12 (Olancha Peak) at the 

southern end of the Sierra Nevada. From 

this unit northward, the remaining units 

begin at a low elevation of 4,500 ft 

(1,372 m) or higher. 

When determining proposed critical 

habitat boundaries for this proposed 

rule, we made every effort to avoid 

including developed areas such as lands 


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covered by buildings, paved areas, and 

other structures that lack PCEs for the 

Sierra Nevada bighorn sheep. The scale 

of the maps prepared under the 

parameters for publication within the 

Code of Federal Regulations may not 

reflect the exclusion of such developed 

areas. Any such structures and the land 

under them inadvertently left inside 

critical habitat boundaries shown on the 

maps of this proposed rule have been 

excluded by text in the proposed rule 

and are not proposed for designation as 

critical habitat. Therefore, Federal 

actions limited to these areas would not 

trigger section 7 consultation, unless 

they may affect the species or primary 

constituent elements in adjacent critical 

habitat. 

We propose to designate critical 

habitat on lands that we have 

determined were occupied at the time of 

listing that contain the primary 

constituent elements that support life 

history functions essential for the 

conservation of the subspecies (7 units) 

that may require special management 

considerations or protection, and 

additional areas not occupied at the 

time of listing that we have determined 

to be essential to the conservation of the 

subspecies (5 units). The 12 units that 

we propose as critical habitat 

encompass about 417,577 ac (168,992 

ha) within Tuolumne, Mono, Fresno, 

Inyo, and Tulare counties, California. 

The proposed units contain habitat that 

supports biological and population-level 

functions of the Sierra Nevada bighorn 

sheep. A brief discussion of each unit 

proposed as critical habitat is provided 

in the unit descriptions below. 

Units both occupied and unoccupied 

at the time of listing are proposed for 

designation based on sufficient PCEs 

being present to support Sierra Nevada 

bighorn sheep life processes. Some units 

contain all PCEs and support multiple 

life processes. Some units contain only 

a portion of the PCEs necessary to 

support the Sierra Nevada bighorn 

sheep’s particular use of that habitat. 

Section 10(a)(1)(B) of the Act 

authorizes us to issue permits for the 

take of listed species incidental to 

otherwise lawful activities. An 

incidental take permit application must 

be supported by a habitat conservation 

plan (HCP) that identifies conservation 

measures that the permittee agrees to 

implement to minimize and mitigate the 

impacts of the taking on the species. We 

often exclude from designated critical 

habitat, under section 10(a)(1)(B) of the 

Act, non-Federal public lands and 

private lands that are covered by an 

existing operative HCP and executed 

implementation agreement (IA) because 

the benefits of exclusion outweigh the 

benefits of inclusion as discussed in 

section 4(b)(2) of the Act. There are no 

existing operative HCPs that meet our 

issuance criteria within the areas 

proposed for designation as critical 

habitat. 

Special Management Considerations or 

Protections 

When designating critical habitat, we 

assess whether the areas that we 

determined to be occupied at the time 

of listing and that contain the features 

that are essential to the conservation of 

the subspecies and which may require 

special management considerations or 

protection. As described in more detail 

in the unit descriptions below, we find 

that the PCEs within the units occupied 

at the time of listing (Units 1, 2, 4, 6, 

7, 8, and 10) may require special 

management considerations or 

protection due to threats to the Sierra 

Nevada bighorn sheep or its habitat. All 

of these units occur almost exclusively 

on Federal lands managed by the Forest 

Service, National Park Service, and the 

Bureau of Land Management. 

Management considerations and 

protection may include review of 

various activities proposed in Sierra 

Nevada bighorn sheep habitat requiring 

a permit from these agencies. These 

activities can include habitat 

enhancement projects to reverse fire 

suppression effects, development 

activities, livestock grazing, mining 

actions, and recreational activities. In 

addition, because all of the herds are 

relatively small, management actions to 

protect Sierra Nevada bighorn sheep 

habitat from catastrophic, naturally 

occurring events (e.g., wildfires, disease, 

avalanches) may be necessary. 

Fire suppression can modify the 

structure of Sierra Nevada bighorn 

sheep habitat by allowing taller 

vegetation, such as trees, to become 

established, resulting in cover for 

predators. Mountain lions, a primary 

predator of Sierra Nevada bighorn 

sheep, use vegetative cover and terrain 

to conceal themselves prior to attacks. 

Fires may have burned more frequently 

in the past in bighorn sheep habitat. Old 

ground and aerial photographs show 

habitats in the eastern Sierra Nevada 

had little vegetation tall enough to 

obstruct the vision of bighorn sheep; 

pinyon pine woodlands have mostly 

developed since 1860 (Miller and 

Tausch 2001, pp. 15–16). Continued 

suppression of fires in Sierra Nevada 

bighorn sheep range is a threat, as 

habitat succession alters the abundance 

of suitable bighorn sheep habitat and 

increases bighorn sheep vulnerability to 

mountain lion predation (Torres et al. 

1996, p. 29). Performing habitat 

enhancements, such as prescribed 

burning, or enabling ‘‘let burn’’ policies, 

helps to provide open habitats. Opening 

up habitat will help to reduce predation 

by decreasing the effectiveness of 

ambushing from predators (such as 

mountain lions) from cover. Providing 

more open habitat will allow more 

opportunity for connectivity among 

herd units and likely promote greater 

gene flow to conserve genetic diversity. 

According to Johnson et al. (2005, p. 

34), all of the herd units would benefit 

from forest reduction in winter range; 

those units that would benefit the most 

are Units 8 and 10. Thus, the PCEs in 

all of the units occupied at the time of 

listing (Units 1, 2, 4, 6, 7, 8, and 10) may 

require special management 

considerations or protection to reverse 

the impacts of fire suppression. 

There is limited development within 

Sierra Nevada bighorn sheep habitat 

because most habitat occurs on Federal 

lands; however, there is some 

recreational development (e.g., resorts). 

There are several paved and unpaved 

roads that access Federal lands within 

Sierra Nevada bighorn sheep habitat. 

For example, State Highway 120 is 

located primarily between Units 1 and 

2, but some sections lie within Unit 1. 

Bighorn sheep have been killed due to 

collisions with vehicles on this road (65 

FR 28; January 3, 2000). State Routes 

158 and 190 occur in or adjacent to 

portions of Unit 2 and Unit 10, 

respectively. The PCE’s in Units 1, 2, 4, 

and 10 require special management 

considerations or protection to address 

the impacts from development 

activities, including road construction 

and maintenance within Sierra Nevada 

bighorn sheep habitat. 

Management of domestic sheep and 

goat grazing practices that result in 

overgrazing or allow for contact between 

these domestic species and Sierra 

Nevada bighorn sheep is a threat. 

Although die-offs of bighorn sheep due 

to disease have occurred unrelated to 

domestic sheep (Miller et al. 1991, pp. 

534–540), a major contributing factor 

responsible for the decline of Sierra 

Nevada bighorn sheep populations over 

the years is thought to be the 

introduction of diseases by domestic 

livestock (Sierra Nevada Bighorn Sheep 

Interagency Advisory Group 1997, p. 5; 

65 FR 25, January 3, 2000). Clifford et 

al. (2007, p. 18) indicate concern for the 

probability of a respiratory disease case 

occurring from disease transmission 

between domestic sheep and Sierra 

Nevada bighorn sheep, especially in the 

northern part of bighorn sheep range. 

Grazing allotments within the vicinity 

of Sierra Nevada bighorn sheep habitat 

should be reviewed and activities 


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modified as necessary to prevent 

competition and contact between the 

two species. These modifications could 

include such variables as the number of 

domestic sheep allowed on an 

allotment, where the domestic sheep 

may graze on an allotment, and the 

length and timing of the grazing period. 

These variables can assist in reducing 

resource competition as well as a means 

to reduce contact between the two 

species. The PCEs within Units 1, 2, and 

4 may require special management 

considerations or protection to address 

the potential impacts of sheep and goat 

grazing within Sierra Nevada bighorn 

sheep habitat. 

Patented mining claims occur within 

habitat used by the Sierra Nevada 

bighorn sheep, but the acreage is small. 

Mining activities and associated 

facilities threaten bighorn sheep by 

causing the loss of vegetation structure 

required for foraging activities; the 

destruction of habitats used for escape, 

bedding, lambing, or connectivity 

between ranges; or the possible 

disturbance of due to ongoing mining 

activities. Disturbance could modify 

bighorn sheep behavior or cause them to 

flee an area. Mining occurs within the 

habitat of Sierra Nevada bighorn sheep 

in Unit 4. These mines are underground, 

thus reducing some impacts of habitat 

loss. PCEs within this unit may require 

special management considerations or 

protection to address mining and 

associated facility development impacts 

within Sierra Nevada bighorn sheep 

habitat. 

It remains unclear how significantly 

Sierra Nevada bighorn sheep may be 

affected by human disturbance (Jones 

1950, pp. 71–72; Dunaway 1971, p. 19; 

Wehausen et al. 1977, p. 31; Hicks and 

Elder 1979, p. 914; Wehausen 1980, pp. 

200–201; MacArthur et al. 1982, p. 356; 

Papouchis et al. 2001, pp. 579–580). 

Additional investigations are needed to 

identify areas of conflict as situations 

arise where the increased presence of 

humans could be detrimental to the 

Sierra Nevada bighorn sheep or its 

habitat. These areas of use could be 

displacing Sierra Nevada bighorn sheep 

from important habitats. 

Increases in human uses of bighorn 

sheep habitat, including recreational 

activities such as rock and ice climbing, 

mountaineering, ski touring, hiking, 

camping, and pack station 

establishment, may disturb Sierra 

Nevada bighorn sheep in key areas. This 

could result in abandonment of these 

areas or disruption of feeding and cause 

reduced nutrient intake. A cost in 

biological energetics could also occur 

due to flight. These losses could 

translate into reduced reproductive 

success. Impacts to the habitat could 

occur through trampling and reduced 

vegetation structure due to grazing by 

pack animals. The presence of dogs 

accompanying recreationists is also a 

concern in bighorn sheep habitat as 

dogs may cause strong alarm reactions 

by bighorn sheep (MacArthur et al. 

1982, p. 356). 

The PCEs within the units occupied at 

the time of listing (Units 1, 2, 4, 6, 7, 

8, and 10) may require special 

management considerations or 

protection to protect Sierra Nevada 

bighorn sheep and its habitats from 

recreational activities. While recreation 

could be a threat factor throughout an 

occupied herd unit, it is more likely in 

some portions of units due to their 

inclusion of these higher use areas or 

their proximity to these areas. These 

areas include the Virginia Lakes, Lundy 

Lake, Saddlebag Lake, and Lee Vining 

Canyon recreational areas associated 

with Unit 1; Lee Vining Canyon 

associated with Unit 2; the Rock Creek 

recreational area associated with Unit 4; 

Baxter Pass and Onion Valley 

recreational area associated with Unit 7; 

and the Whitney Portal and Trailhead 

and the Cottonwood Lakes recreational 

areas associated with Units 8 and 10. 

Management actions to protect Sierra 

Nevada bighorn sheep habitat from 

catastrophic, naturally occurring events 

may be necessary. Events such as 

wildfire and avalanches could 

temporarily destroy large areas that 

provide summer or winter foraging 

habitat. 

Proposed Critical Habitat Designation 

We are proposing 12 units as critical 

habitat for the Sierra Nevada bighorn 

sheep. The critical habitat areas 

described below constitute our best 

current assessment of areas determined 

to be occupied at the time of listing, that 

meet the definition of critical habitat for 

the Sierra Nevada bighorn sheep, and 

those additional areas that were not 

occupied at the time of listing but were 

found to be essential to the conservation 

of the Sierra Nevada bighorn sheep. The 

12 areas designated as critical habitat 

are: Mount Warren, Mount Gibbs, 

Convict Creek, Wheeler Ridge, Taboose 

Creek, Sawmill Canyon, Mount Baxter, 

Mount Williamson, Big Arroyo, Mount 

Langley, Laurel Creek, and Olancha 

Peak. 

The approximate area encompassed 

within each proposed critical habitat 

unit is shown in Table 2. 

TABLE 2.—PROPOSED CRITICAL HABITAT UNITS FOR SIERRA NEVADA BIGHORN SHEEP

[Area estimates reflect all land within critical habitat unit boundaries] 

Critical habitat unit Land ownership by type Size of unit in acres 

(Hectares) 

1. Mount Warren ................................................................... Federal ................................................................................. 35,279 (14,277) 

Private .................................................................................. 568 (230) 

Local Government ................................................................ 165 (67) 

2. Mount Gibbs ..................................................................... Federal ................................................................................. 29,702 (12,020) 

3. Convict Creek ................................................................... Federal ................................................................................. 36,497 (14,770) 

Private .................................................................................. 17 (7) 

4. Wheeler Ridge .................................................................. Federal ................................................................................. 80,568 (32,605) 

Private .................................................................................. 398 (161) 

5. Taboose Creek ................................................................. Federal ................................................................................. 28,805 (11,657) 

6. Sawmill Canyon ................................................................ Federal ................................................................................. 30,508 (12,346) 

7. Mount Baxter .................................................................... Federal ................................................................................. 32,198 (13,030) 

Private .................................................................................. 22 (9) 

8. Mount Williamson ............................................................. Federal ................................................................................. 32,560 (13,177) 

9. Big Arroyo ......................................................................... Federal ................................................................................. 24,987 (10,112) 

10. Mount Langley ................................................................ Federal ................................................................................. 32,845 (13,292) 

11. Laurel Creek ................................................................... Federal ................................................................................. 22,037 (8,918) 

12. Olancha Peak ................................................................. Federal ................................................................................. 30,421 (12,311) 

Subtotal .......................................................................... Federal ................................................................................. 416,407 (168,518) 


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TABLE 2.—PROPOSED CRITICAL HABITAT UNITS FOR SIERRA NEVADA BIGHORN SHEEP—Continued 

[Area estimates reflect all land within critical habitat unit boundaries] 

Critical habitat unit Land ownership by type Size of unit in acres 

(Hectares) 

Private .................................................................................. 1,005 (407) 

Local Gov’t ........................................................................... 165 (67) 

Grand Total* ........................................................... ............................................................................................... 417,577 (168,992) 

*Columns may not sum exactly due to rounding of values. 

TABLE 3.—OCCUPANCY OF SIERRA NEVADA BIGHORN SHEEP BY PROPOSED CRITICAL HABITAT UNITS. 

Unit Occupied at time of 

listing? Currently occupied? Size of unit in acres (Hectares) 

1. Mount Warren .................................................................................... Yes ............................. Yes ............................. 36,013 (14,574) 

2. Mount Gibbs ...................................................................................... Yes ............................. Yes ............................. 29,702 (12,020) 

3. Convict Creek .................................................................................... No ............................... No ............................... 36,514 (14,777) 

4. Wheeler Ridge ................................................................................... Yes ............................. Yes ............................. 80,966 (32,766) 

5. Taboose Creek .................................................................................. No ............................... No ............................... 28,805 (11,657) 

6. Sawmill Canyon ................................................................................. Yes ............................. Yes ............................. 30,508 (12,346) 

7. Mount Baxter ..................................................................................... Yes ............................. Yes ............................. 32,220 (13,039) 

8. Mount Williamson .............................................................................. Yes ............................. Yes ............................. 32,560 (13,177) 

9. Big Arroyo .......................................................................................... No ............................... No ............................... 24,987 (10,112) 

10. Mount Langley ................................................................................. Yes ............................. Yes ............................. 32,845 (13,292) 

11. Laurel Creek .................................................................................... No ............................... No ............................... 22,037 (8,918) 

12. Olancha Peak .................................................................................. No ............................... No ............................... 30,421 (12,311) 

*Total .............................................................................................. ..................................... ..................................... 417,578 (168,992) 

*Columns may not sum exactly due to rounding of values. 

We present brief descriptions of all 

units, and reasons why they meet the 

definition of critical habitat for Sierra 

Nevada bighorn sheep, below. 

Universal Transverse Mercator (UTM) 

coordinates and more precise legal 

descriptions of each unit are provided 

in the Proposed Regulation 

Promulgation section. 

Sierra Nevada bighorn sheep 

throughout their range utilize a range of 

elevations from about 4,790 ft (1,460 m) 

to above 14,100 ft (4,300 m) (Wehausen 

1980, pp. 3, 82). As described in the 

‘‘Criteria Used To Identify Critical 

Habitat’’ section above, the Service used 

modeling to further refine and clarify 

our knowledge of those areas that may 

be essential to the conservation of the 

subspecies. Based on these modeling 

efforts, Sierra Nevada bighorn sheep 

habitat is known to be available as low 

as elevation 4,000 ft (1,219 m) in the 

southern portion of its range (Johnson et 

al. 2005). Within this elevational range, 

a variety of vegetation communities 

occur including from lowest to highest, 

sagebrush-bitterbrush-bunchgrass scrub; 

pinyon-juniper woodland and mountain 

mahogany scrub; mid-elevation and 

subalpine, meadows, forests, and 

woodlands; and alpine meadows and 

other habitats from cliffs to plateaus 

(Service 2003, p. 3). All units contain 

one or more of these habitat types in 

varying amounts. 

Unit 1: Mount Warren 

Unit 1 consists of approximately 

36,013 ac (14,574 ha) in Tuolumne and 

Mono Counties. Unit 1 is generally 

located within an area bounded on the 

east by U.S. Highway 395 (located about 

1 mi (1.6 km) away), on the south by 

State Route 120, on the north by Green 

Creek and on the west by the ridge 

connecting Ragged Peak in the south to 

Camiaca Peak in the north. It is located 

northwest of the town of Lee Vining. 

Land ownership within the unit 

includes approximately 35,279 ac 

(14,277 ha) of Federal land, 165 ac (67 

ha) of Los Angeles Department of Water 

and Power lands, and 568 ac (230 ha) 

of other private land. The Federal land 

is administered by the HumboldtToiyabe and Inyo National Forests, 

Yosemite National Park, and Bureau of 

Land Management. 

Unit 1 begins at a low elevation of 

about 7,500 ft (2,286 m) on the eastern 

slope and rises to about 12,000 ft (3,658 

m) on the west. It encompasses some 

areas from 12,000 to over 14,000 ft 

(3,658 to 4,267 m). It is the 

northernmost unit proposed for critical 

habitat designation for the Sierra 

Nevada bighorn sheep. This unit was 

occupied at the time of listing (65 FR 20, 

January 3, 2000; Wehausen 1996, p. 477; 

Sierra Nevada Bighorn Sheep 

Interagency Advisory Group 1997, pp. 

6–7; Wehausen 1999, pp. 6, 8; 2000, pp. 

5–7) and is currently occupied with a 

minimum population estimate of 26 

individuals (Wehausen and Stephenson 

2006, p. 7). Unit 1 contains all of the 

features essential to the conservation of 

the Sierra Nevada bighorn sheep. It 

contains a range of vegetation types, and 

steep, rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38) and 

mineral licks (PCE 3) (Chow 1992, p. 

52). This unit has good high-and-low 

elevation winter habitat in the area 

north of Lee Vining Canyon. Mount 

Warren has a minimum winter range 

elevation of about 7,546 ft (2,300 m), 

while Tioga Crest has this type of 

habitat at 9,515 ft (2,900 m). In the 

Lundy Canyon area there is good lowelevation south-facing winter range near 

8,038 ft (2,450 m). Dunderberg Peak can 

provide large areas free of snow in the 

winter. It does not connect to lowelevation winter range but does connect 

to summer range in Lundy Canyon; 

visual winter range condition is mixed 

to open (Service 2003, pp. 112, 114). 

PCEs within unit 1 may require 

special management considerations or 

protection to ameliorate the threats of 

overgrazing and the possible occurrence 

of disease transmission due to the 


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proximity of this unit to Forest Service 

grazing allotments (Clifford et al. 2007, 

pp. 13–14). Additionally, the PCEs 

within this unit may require special 

management considerations or 

protection to reverse the impacts of fire 

suppression which would provide more 

open habitat and potentially reduce 

predation, and for recreation (e.g., 

Virginia Lakes, Lundy Lake, Lee Vining 

Canyon) and development activities 

(Sections of State Highway 120 are 

located in this unit). Furthermore, PCEs 

within unit 1 may require special 

management considerations or 

protection in the form of avalanche 

control to protect against catastrophic 

events. 

Unit 2: Mount Gibbs 

Unit 2 consists of approximately 

29,702 ac (12,020 ha) in Tuolumne and 

Mono Counties. Unit 2 is generally 

bounded on the north by State Route 

120 with U.S. Highway 395 located 

approximately 4 mi (6.4 km) to the east. 

Route 158 lies along a portion of the 

southeastern boundary of this unit. The 

unit is bounded on the west, in part, by 

Lyell Canyon. It is immediately south of 

Unit 1 (Mount Warren) and is located 

southwest of the town of Lee Vining. 

Land ownership within the unit 

includes approximately 29,702 ac 

(12,020 ha) of Federal land. Federal land 

is administered by the Inyo National 

Forest and Yosemite National Park. 

Unit 2 begins at a low elevation of 

about 7,500 ft (2,286 m) on the eastern 

slope and rises to 9,000 to 12,000 ft 

(2,743–3,658 m) on the west. It 

encompasses areas from 12,000 to over 

14,000 ft (3,658–4,267 m). Unit 2 was 

occupied at the time of listing (65 FR 20, 

January 3, 2000; Wehausen 1996, p. 477; 

Sierra Nevada Bighorn Sheep 

Interagency Advisory Group 1997, pp. 

6–7; Wehausen 1999, pp. 7–8; 2000, pp. 

6–7) and is currently occupied, with a 

minimum population estimate of 8 

individuals (Wehausen and Stephenson 

2006, p. 7). Unit 2 contains all of the 

features essential to the conservation of 

the Sierra Nevada bighorn sheep. It 

contains a range of vegetation types, and 

steep, rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38) and 

mineral licks (PCE 3) (Chow 1992, p. 

52). An area between Mount Dana and 

Mount Wood provides considerable 

high-elevation habitat that is blown free 

of snow in the winter and connects to 

south-facing slopes that decline to lower 

elevations. Winter habitat occurs at a 

minimum elevation of 2,775 m (9,105 ft) 

around Mount Gibbs, 8,859 ft (2,700 m) 

around Mount Lewis, and 7,546 ft 

(2,300 m) around Mount Wood; visual 

winter range condition is open (Service 

2003, p. 112). The south-facing side of 

Mount Lewis is steep and supports little 

snow in winter. The slopes above Silver 

Lake offer low-elevation east-facing 

winter range to 7,599 ft (2,316 m). This 

area may provide birthing habitat in 

spring during some years (Service 2003, 

p. 115). 

PCEs within unit 2 may require 

special management considerations or 

protection to ameliorate the threats of 

overgrazing and the possible occurrence 

of disease transmission due to the 

proximity of this unit to Forest Service 

grazing allotments (Clifford et al. 2007, 

pp. 13–14). Additionally, PCEs within 

this unit may require special 

management considerations or 

protection to reverse the impacts of fire 

suppression which would provide more 

open habitat and potentially reduce 

predation, and for recreation (e.g., Lee 

Vining Canyon) and development 

activities (Sections of State Highway 

120 is located along the northern 

boundary of this unit; Route 158 lies 

along a portion of the southeastern 

boundary of this unit). Furthermore, 

PCEs within unit 2 may require special 

management considerations or 

protection in the form of avalanche 

control to protect against catastrophic 

events. 

Unit 3: Convict Creek 

Unit 3 consists of approximately 

36,514 ac (14,777 ha) in Mono and 

Fresno Counties. Unit 3 is generally 

located within an area bounded on the 

northeast by U.S. Highway 395 (located 

about 2 mi (3.2 km) away), by Fish 

Creek and the boundary between Inyo 

and Sierra National Forests on the west, 

and by Mono Creek on the south. This 

unit is located about 3 mi (4.8 km) south 

of the town of Mammoth Lakes. Land 

ownership within the unit includes 

approximately 36,497 ac (14,770 ha) of 

Federal land and 17 ac (7 ha) of private 

land. Federal land is administered by 

the Inyo and Sierra National Forests. 

Unit 3 begins at a low elevation of 

about 7,500 ft (2,286 m) and rises to 

about 10,500 to 12,000 ft (3,200–3,658 

m). The unit encompasses areas from 

12,000 to over 14,000 ft (3,658–4,267 

m). This unit was not occupied at the 

time of listing and is not currently 

occupied, but is essential to the 

conservation of the Sierra Nevada 

bighorn sheep. The unit contains a 

range of vegetation types, and steep, 

rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38). 

Mineral licks (PCE 3) may or may not 

occur in this unit. This unit contains 

south-facing winter habitat above 

Convict Lake that descends down to 

7,874 ft (2,400 m). This habitat is 

connected to high-elevation windswept 

patches on Laurel and Bloody 

Mountains. McGee Mountain has southfacing winter habitat down to about 

8,005 ft (2,440 m) but only a small 

amount of high-elevation habitat. 

Nevahbe Ridge has windblown habitat 

but it is east-facing and occurs down to 

8,530 ft (2,600 m) (Service 2003, pp. 

112, 116). Visual winter range condition 

is open (Service 2003, p. 112). 

While this unit was not occupied at 

the time of listing, Sierra Nevada 

bighorn sheep occupied the area 

historically (Ober 1931, p. 32; Jones 

1950, p. 40; Buechner 1960, p. 69; 

Barrett 1965, p. 43; Dunaway 1971, p 19; 

Wehausen et al. 1987 p.66; Wehausen 

1988a, p. 100). This unit is essential to 

the conservation of the Sierra Nevada 

bighorn sheep for, increasing the 

number of herds to reduce the 

significance of losing any particular 

herd, increasing population viability, 

decreasing the degree of fragmentation 

of the current geographic distribution 

between this unit and Units 4 (Wheeler 

Ridge) and 2 (Mount Gibbs), increasing 

opportunities for genetic exchange 

between these units, and increasing 

overall herd numbers to reduce 

extinction risk from stochastic events. 

Conservation of this unit is necessary to 

achieve the long-term viability of this 

subspecies within its range. 

Unit 4: Wheeler Ridge 

Unit 4 consists of approximately 

80,966 ac (32,766 ha) in Fresno, Inyo, 

and Mono Counties. Unit 4 is generally 

located within an area bounded by U.S. 

Highway 395 (located about 5 to 17 mi 

(8 to 27.4 km) to the east), by Evolution 

Creek on the south, by Pavilion Dome, 

Pilot Nob, and Mills Creek on the west, 

and by Mono Creek on the north. This 

unit is located about 12 mi (19.3 km) 

west of the town of Bishop. Land 

ownership within the unit includes 

approximately 80,568 ac (32,605 ha) of 

Federal land and 398 ac (161 ha) of 

private land. Federal land is 

administered by the Inyo and Sierra 

National Forests, Kings Canyon National 

Park, and the Bureau of Land 

Management. 

Unit 4 begins at a low elevation of 

about 5,500 ft (1,676 m) on the eastern 

slope and rises to about 12,000 ft (3,658 


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m) on the west. It encompasses 

numerous areas from 12,000 to over 

14,000 ft (3,658–4,267 m). This unit was 

occupied at the time of listing (65 FR 20, 

January 3, 2000; Wehausen 1996, p. 477; 

Sierra Nevada Bighorn Sheep 

Interagency Advisory Group 1997, pp. 

6–7; Wehausen 1999, pp. 5–6, 8; 2000, 

pp. 3–5, 7) and is currently occupied 

with a minimum population estimate of 

113 individuals (Wehausen and 

Stephenson 2006, p. 7). Unit 4 contains 

features that are essential to the 

conservation of the Sierra Nevada 

bighorn sheep. The unit contains a 

range of vegetation types, and steep, 

rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38) and 

mineral licks (PCE 3, Stephenson 2007, 

p.1). The area around Wheeler Ridge 

provides minimum winter habitat at 

5,578 ft (1,700 m) and is visually open 

(Service 2003, p. 112). Mount Tom is 

located south of Wheeler Ridge and 

provides an open winter visual 

condition and winter habitat at a 

minimum elevation of 6,398 ft (1,950 m) 

in Elderberry Canyon (Service 2003, p. 

112, 115–116). High-elevation winter 

habitat is extensive on the west side of 

Mount Tom’s north ridge. Narrow ridges 

on the south side can be snow free. 

Between Basin Mountain and Mount 

Humphreys, the plateau remains snow 

free and is accessible to sheep traveling 

ridge lines from Mount Tom by Four 

Gables and along the crest. 

PCEs within unit 4 may require 

special management considerations or 

protection to ameliorate the threats of 

overgrazing and the possible occurrence 

of disease transmission due to the 

proximity of this unit to Forest Service 

grazing allotments (Clifford et al. 2007, 

pp. 13–14). Additionally, PCEs within 

this unit may require special 

management considerations or 

protection to reverse the impacts of fire 

suppression which would provide more 

open habitat and potentially reduce 

predation. Finally, PCEs within unit 4 

may require special management 

considerations or protection for the 

threats due to mining, development, and 

recreation (e.g., Pine Creek area) and 

avalanche control may be needed to 

protect against catastrophic events. 

Unit 5: Taboose Creek 

Unit 5 consists of approximately 

28,805 ac (11,657 ha) in Inyo and Fresno 

Counties. Unit 5 is generally located 

within an area bounded on the north by 

Big Pine Creek and on the south by 

Taboose Creek. U.S. Highway 395 is 

about 8.5 mi (13.7 km) to the east, and 

Marion and Observation Peaks are 

located to the west. This unit is located 

about 5 mi (8 km) southwest of the town 

of Big Pine. Land ownership within the 

unit includes approximately 28,805 ac 

(11,657 ha) of Federal land. Federal land 

is administered by the Inyo National 

Forest and Kings Canyon National Park. 

Unit 5 begins at a low elevation of 

about 6,000 ft (1,829 m) on the eastern 

slope and rises to 12,000 to over 14,000 

ft (3,658–4,267 m) on the west. This unit 

was not occupied at the time of listing 

and is not currently occupied, but is 

essential to the conservation of the 

Sierra Nevada bighorn sheep. The unit 

contains a range of vegetation types, and 

steep, rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38). 

Mineral licks (PCE 3) may or may not 

occur in this unit. High windblown 

areas (9,187 ft (2,800 m)) occur on Birch 

and Kid Mountains that may support 

bighorn sheep. There appears to be 

limited low-elevation south- or eastfacing habitat unless animals move 

south to Red Mountain or Taboose 

Creeks. Taboose Creek offers patches of 

high-elevation winter habitat and southfacing low-elevation habitat where it 

occurs as low as 6,398 ft (1,950 m). The 

northeast side of Kid Mountain provides 

some low habitat near 7,218 ft (2,200 m) 

(Service 2003, pp. 113, 118). The winter 

range visual condition is open in these 

areas (Service 2003, p. 113). 

While this unit was not occupied at 

the time of listing, Sierra Nevada 

bighorn sheep occupied the area 

historically (Ober 1914, p. 125; Jones 

1950, p. 38; Buechner 1960, 69; 

Dunaway 1971 p. 19; Wehausen et al. 

1987 p.66; Wehausen 1988a, p. 101; 

Berger 1990, p.94). This unit is essential 

to the conservation of the Sierra Nevada 

bighorn sheep for increasing the number 

of herds to reduce the significance of 

losing any particular herd, increasing 

population viability, decreasing the 

degree of fragmentation of the current 

geographic distribution between this 

unit and Units 6 (Sawmill Canyon) and 

4 (Wheeler Ridge), increasing 

opportunities for genetic exchange 

between these units, and increasing 

overall herd numbers to reduce 

extinction risk from stochastic events. 

Conservation of this unit is necessary to 

achieve the long-term viability of this 

subspecies within its range. 

Unit 6: Sawmill Canyon 

Unit 6 consists of about 30,508 ac 

(12,346 ha) in Fresno and Inyo Counties. 

Unit 6 is generally located within an 

area bounded on the east by U.S. 

Highway 395 (located about 3 mi (4.8 

km) away), on the south by Unit 7 

(Mount Baxter) and Sawmill Pass and 

Creek, on the west by Woods Creek and 

the South Fork of Woods Creek, and on 

the north by Taboose Creek. Land 

ownership within the unit includes 

approximately 30,508 ac (12,346 ha) of 

Federal land. Federal land is 

administered by the Inyo National 

Forest and Kings Canyon National Park. 

Unit 6 begins at a low elevation of 

about 4,500 ft (1,372 m) on the eastern 

slope and rises to about 10,500 to 12,000 

ft (3,200–3,658 m). It encompasses a few 

areas from 12,000 to over 14,000 ft 

(3,658–4,267 m). Unit 6 was occupied at 

the time of listing (65 FR 20, January 3, 

2000; Wehausen 1996, p. 477; Sierra 

Nevada Bighorn Sheep Interagency 

Advisory Group 1997, pp. 6–7; 

Wehausen 1999, pp. 4–5, 8; 2000, pp. 3, 

7) and is currently occupied with a 

minimum population estimate of 36 

individuals (Wehausen and Stephenson 

2006, p. 7). Unit 6 has features that are 

essential to the conservation of the 

Sierra Nevada bighorn sheep. It contains 

a range of vegetation types, and steep, 

rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38). It is 

not known if mineral licks (PCE 3) occur 

on this unit. Unit 6 provides foraging 

habitat at the northern boundary near 

Mount Pinchot (Service 2003, p. 118). In 

addition, minimum elevations of winter 

habitat occur in the Goodale Creek area 

at 6,890 ft (2,100 m) and in the Sawmill 

Creek area at 4,922 ft (1,500 m); winter 

visual condition is open (Service 2003, 

p. 113). 

PCEs within unit 6 may require 

special management considerations or 

protection to reverse the impacts of fire 

suppression which would provide more 

open habitat and potentially reduce 

predation. Unit 6 PCEs also may require 

special management considerations or 

protection for threats due to recreation, 

and avalanche control may be needed to 

protect against catastrophic events. 

Unit 7: Mount Baxter 

Unit 7 consists of approximately 

32,220 ac (13,039 ha) in Fresno and Inyo 

Counties. Unit 7 is generally located 

within an area bounded on the east by 

U.S. Highway 395 (located about 3 mi 


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(4.8 km) away), on the south by Bubbs 

Creek and the Road 13S17 to 

Independence, on the west by Mount 

Bago, Gardiner Lakes, and Mount 

Clarence King, and on the north by Unit 

6 (Sawmill Canyon) and Sawmill Pass 

and Creek. This unit is located about 6 

mi (9.7 km) west of the town of 

Independence. Land ownership within 

the unit includes approximately 32,198 

ac (13,030 ha) of Federal land and 22 ac 

(9 ha) of private land. Federal land is 

administered by the Inyo National 

Forest and Kings Canyon National Park. 

Unit 7 begins at a low elevation of 

about 4,500 ft (1,372 m) on the eastern 

slope and rises to about 10,500 to 12,000 

ft (3,200–3,658 m) on the west. It 

encompasses areas from 12,000 to over 

14,000 ft (3,658–4,267 m). Unit 7 was 

occupied at the time of listing (65 FR 20, 

January 3, 2000; Wehausen 1996, p. 477; 

Sierra Nevada Bighorn Sheep 

Interagency Advisory Group 1997, pp. 

6–7; Wehausen 1999, pp. 3–4, 8; 2000, 

pp. 2–3, 7) and is currently occupied 

with a minimum population estimate of 

69 individuals (Wehausen and 

Stephenson 2006, p. 7). Unit 7 contains 

features that are essential to the 

conservation of the Sierra Nevada 

bighorn sheep. It contains a range of 

vegetation types, and steep, rocky 

terrain which provides for foraging 

(summer and winter), mating, lambing, 

predator avoidance, and bedding and 

allows for seasonal elevational 

movements (PCE 1 and PCE 2) (Service 

2003, pp. 3–7; Johnson et al. 2005, pp. 

4–14, 31–32, 34, 37–38) and mineral 

licks (PCE 3) (Jones 1950, p. 63; Hicks 

and Elder 1979, p. 911). This unit 

provides foraging habitat along the 

ridges and in drainages of Mount Baxter. 

Minimum elevations of winter habitat in 

the Thibaut-Sand Mountain area occur 

at 5,003 ft (1,525 m), and in the Onion 

Valley area at 7,546 ft (2,300 m); winter 

visual condition is open (Service 2003, 

p. 113). 

In addition to containing the features 

essential to the conservation of the 

Sierra Nevada bighorn sheep, Unit 7 has 

additional conservation value as it 

served as a source population, due to its 

size and productivity, for 

reintroductions to the Wheeler Crest 

area (1979, 1980, 1982, 1986, 1988), 

Mount Langley (1980 and 1982), and 

Lee Vining Canyon area (1986, 1988) 

(Sierra Nevada Bighorn Sheep 

Interagency Advisory Group 1997, p. 6). 

Individuals from this population may be 

used for future translocations within the 

range. 

PCEs within unit 7 may require 

special management considerations or 

protection to reverse the impacts of fire 

suppression which would provide more 

open habitat and potentially reduce 

predation. PCEs within unit 7 also may 

require special management 

considerations or protection for threats 

due to recreation (e.g., Baxter Pass and 

Onion Valley), and avalanche control 

may be needed to protect against 

catastrophic events. 

Unit 8: Mount Williamson 

Unit 8 consists of about 32,560 ac 

(13,177 ha) in Inyo and Tulare Counties. 

Unit 8 is generally located within an 

area bounded on the east by U.S. 395 

(located about 9 mi (14.5 km) away), on 

the south by Tulainyo Lake, on the west 

by the Kern River (located about 3.5 

miles (5.6 km) away), and on the north 

by Road 13S17 to Independence about 

1.5 mi (2.4 km) away. This unit is 

located southwest of the town of 

Independence and northwest of the 

town of Lone Pine. Land ownership 

within the unit includes approximately 

32,560 ac (13,177 ha) of Federal land. 

Federal land is administered by the Inyo 

National Forest and Sequoia and Kings 

Canyon National Parks. 

Unit 8 begins at a low elevation of 

about 6,000 ft (1,829 m) on the eastern 

slope and rises to 12,000 to over 14,000 

ft (3,658–4,267 m) on the west. Unit 8 

was occupied at the time of listing (65 

FR 20, January 3, 2000; Wehausen 1996, 

p. 477; Sierra Nevada Bighorn Sheep 

Interagency Advisory Group 1997, pp. 

6–7; Wehausen 1999, pp. 2–3, 8; 2000, 

pp. 1–2, 7) and is currently occupied 

with a minimum population estimate of 

20 individuals (Wehausen and 

Stephenson 2006, p. 7). Unit 8 contains 

features that are essential to the 

conservation of the Sierra Nevada 

bighorn sheep. The unit contains a 

range of vegetation types, and steep, 

rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38). It is 

not known if mineral licks (PCE 3) occur 

in this unit. The Shepherd Creek-Pinyon 

Creek area in this unit offers winter 

habitat at a minimum elevation of 6,808 

ft (2,075 m); the George Creek-North 

Bairs Creek provides this habitat at 

6,234 ft (1,900 m) (Service 2003, p. 113). 

The winter visual condition is mixed 

(Service 2003, p. 113). 

PCEs within unit 8 may require 

special management considerations or 

protection to reverse the impacts of fire 

suppression which would provide more 

open habitat and potentially reduce 

predation. This unit could provide an 

estimated additional 1,433 ac (5.8 km2) 

of winter range with a relative 

probability of equal to or greater than 10 

percent use if forests were reduced by 

burning (Johnson et al. 2005, p. 34). 

Furthermore, PCEs within unit 8 also 

may require special management 

considerations or protection for threats 

due to recreation (e.g., Whitney Portal 

and Trailhead), and avalanche control 

may be needed to protect against 

catastrophic events. 

Unit 9: Big Arroyo 

Unit 9 consists of approximately 

24,987 ac (10,112 ha) in Tulare County. 

Unit 9 is generally located within an 

area bounded on the east by the Kern 

River, on the north by Kern-Kaweah 

River, Junction Meadow, and Wallace 

Creek area, and on the west and south 

by the Big Arroyo Creek. Land 

ownership within the unit includes 

approximately 24,987 ac (10,112 ha) of 

Federal land. Federal land is 

administered by Sequoia National Park. 

Unit 9 begins at a low elevation of 

about 6,500 ft (1,981 m) on the eastern 

slope and rises to about 12,000 ft (3,658 

m) on the west. The northern boundary 

encompasses areas from 12,000 to over 

14,000 ft (3,658–4,267 m). This unit was 

not occupied at the time of listing and 

is not currently occupied, but is 

essential to the conservation of Sierra 

Nevada bighorn sheep. The unit 

contains a range of vegetation types, and 

steep, rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38). It is 

not known if mineral licks (PCE 3) are 

located within this unit. This unit 

contains no high-elevation wind-swept 

areas (Service 2003, p. 121). Winter 

habitat is provided at a minimum 

elevation of 6,890 ft (2,100 m) with a 

mixed visual condition due to scattered 

trees (Service 2003, pp. 113, 121). From 

the upper end of the Big Arroyo 

drainage, sheep could find access to 

alpine habitat on Kaweah Peaks. 

While this unit was not occupied at 

the time of listing, Sierra Nevada 

bighorn sheep occupied the area 

historically (Jones 1950, p 35; Buecher 

1960, p. 69; Barrett 1965, p. 43; 

Riegelhuth 1965, p. 35; Wehausen 

1988b, p. 100). This unit is essential to 

the conservation of the Sierra Nevada 

bighorn sheep for increasing the number 

of herds to reduce the significance of 

losing any particular herd, increasing 

population viability, decreasing the 

degree of fragmentation of the current 

geographic distribution between this 

unit and Units 10 (Mount Langley) and 

8 (Mount Williamson), increasing 


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opportunities for genetic exchange 

between these units, and increasing 

overall herd numbers to reduce 

extinction risk from stochastic events. 

Conservation of this unit is necessary to 

achieve the long-term viability of this 

subspecies within its range. 

Unit 10: Mount Langley 

Unit 10 consists of approximately 

32,845 ac (13,292 ha) in Inyo and Tulare 

Counties. Unit 10 is generally located 

within an area bounded on the east by 

Route 190 located from immediately 

adjacent to the unit to 7 mi (11.3 km) 

away, on the south by Muah Mountain, 

on the west by Cirque Peak and Perrin 

Creek area, and on the north by Lone 

Pine Creek. This unit is located about 7 

mi (11.3 km) southwest of the town of 

Lone Pine. Land ownership within the 

unit includes approximately 32,845 ac 

(13,292 ha) of Federal land. Federal land 

is administered by the Inyo National 

Forest, Sequoia National Park, and 

Bureau of Land Management. 

Unit 10 begins at a low elevation of 

about 4,500 ft (1,372 m) on the eastern 

slope and rises to 9,000 to 12,000 ft 

(2,743–3,658 m) on the west side. It 

encompasses areas between 12,000 and 

14,000 ft (3,658–4,267 m). Unit 10 was 

occupied at the time of listing (65 FR 20, 

January 3, 2000; Wehausen 1996, p. 477; 

Sierra Nevada Bighorn Sheep 

Interagency Advisory Group 1997, pp. 

6–7; Wehausen 1999, pp. 1–2, 8; 2000, 

pp. 1, 7) and is currently occupied with 

a minimum population estimate of 90 

individuals (Wehausen and Stephenson 

2006, p. 7). Unit 10 contains features 

that are essential to the conservation of 

the Sierra Nevada bighorn sheep. The 

unit contains a range of vegetation 

types, and steep, rocky terrain which 

provides for foraging (summer and 

winter), mating, lambing, predator 

avoidance, and bedding and allows for 

seasonal elevational movements (PCE 1 

and PCE 2) (Service 2003, pp. 3–7; 

Johnson et al. 2005, pp. 4–14, 31–32, 34, 

37–38). It is not known if mineral licks 

(PCE 3) occur in this unit. The unit 

provides low elevation (5,742 ft (1,750 

m)) mixed winter range in the Carroll 

Creek-Turtle Creek area. It also provides 

low-elevation (4,757 ft) (1,450 m), open 

winter range in the Slide CanyonCottonwood Creek area (Service 2003, 

pp. 113, 119). From this area it is 

thought bighorn sheep could cross a 

short distance of the open south-facing 

forest by Wonoga Peak to access the 

large open plateau country. It is also 

possible that bighorn sheep using the 

Cottonwood Creek area use summer 

range to the southeast of the Kern 

Plateau where elevations are about 

10,000 ft (3,048 m) (Service 2003, pp. 

119–120). 

PCEs within unit 10 may require 

special management considerations or 

protection to reverse the impacts of fire 

suppression which would provide more 

open habitat and potentially reduce 

predation. This unit could provide an 

estimated additional 1,161 ac) (4.7 km 2) 

of winter range with a relative 

probability of equal to or greater than 10 

percent use if forests were reduced by 

burning (Johnson et al. 2005, p. 34). 

PCEs within unit 10 also may require 

special management considerations or 

protection for threats due to recreation 

(e.g., Whitney Portal and Trailhead), 

and development (Route 190 crosses a 

portion of this unit). Furthermore, PCEs 

within unit 10 may require special 

management considerations or 

protection in the form of avalanche 

control to protect against catastrophic 

events. 

Unit 11: Laurel Creek 

Unit 11 consists of approximately 

22,037 ac (8,918 ha) in Tulare County. 

Unit 11 is generally located within an 

area bounded on the east by the Kern 

River, on the south by Pistol, Laurel, 

and Golden Trout Creeks, on the west 

by a portion of Little Kern River, and on 

the north by Soda Creek. Land 

ownership within the unit includes 

approximately 22,037 ac (8,918 ha) of 

Federal land. Federal land is 

administered by the Sequoia National 

Forest and Sequoia National Park. 

Unit 11 begins at a low elevation of 

about 6,500 ft (1,981 m) on the eastern 

slope and rises to 10,500 to 12,000 ft 

(3,200–3,658 m) on the west. It includes 

a few small areas from 12,000 to over 

14,000 ft (3,658–4,267 m). This unit was 

not occupied at the time of listing and 

is not currently occupied, but is 

essential to the conservation of Sierra 

Nevada bighorn sheep. The unit 

contains a range of vegetation types, and 

steep, rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38). It is 

unknown whether mineral licks (PCE 3) 

occur in this unit. This unit contains no 

high-elevation wind-swept areas 

(Service 2003, p. 121). Winter habitat is 

provided at a minimum elevation of 

6,808 ft (2,075 m) with a mixed visual 

condition due to scattered trees (Service 

2003, pp. 113, 121). Laurel Creek 

provides access to summer range. 

While this unit was not occupied at 

the time of listing, Sierra Nevada 

bighorn sheep occupied the area 

historically (Buechner 1960 p. 69; 

Barrett 1965, p. 43; Wehausen 1988b, p. 

100). This unit is essential to the 

conservation of the Sierra Nevada 

bighorn sheep for increasing the number 

of herds to reduce the significance of 

losing any particular herd, increasing 

population viability, decreasing the 

degree of fragmentation of the current 

geographic distribution between this 

unit and Unit 10 (Mount Langley), 

increasing opportunities for genetic 

exchange between these units, and 

increasing overall herd numbers to 

reduce extinction risk from stochastic 

events. Conservation of this unit is 

necessary to achieve the long-term 

viability of this subspecies within its 

range. 

Unit 12: Olancha Peak 

Unit 12 consists of approximately 

30,421 ac (12,311 ha) in Tulare and Inyo 

Counties. Unit 12 is generally located 

within an area bounded on the east by 

U.S. Highway 395, on the south by Falls 

and Walker Creeks, on the west by 

portions of the Pacific Crest National 

Scenic Trail, and on the north by Muah 

Mountain. This unit is located west of 

the towns of Cartago and Olancha. Land 

ownership within the unit includes 

approximately 30,421 ac (12,311 ha) of 

Federal land. Federal land is 

administered by the Inyo National 

Forest and Bureau of Land Management. 

Unit 12 begins at a low elevation of 

about 4,000 ft (1,219 m) on the eastern 

slope and rises to about 9,000 to 10,500 

ft (2,743–3,200 m) on the west. It is the 

southernmost unit proposed for critical 

habitat designation for the Sierra 

Nevada bighorn sheep. This unit was 

not occupied at the time of listing and 

is not currently occupied, but is 

essential to the conservation of the 

Sierra Nevada bighorn sheep. The unit 

contains a range of vegetation types, and 

steep, rocky terrain which provides for 

foraging (summer and winter), mating, 

lambing, predator avoidance, and 

bedding and allows for seasonal 

elevational movements (PCE 1 and PCE 

2) (Service 2003, pp. 3–7; Johnson et al. 

2005, pp. 4–14, 31–32, 34, 37–38). It is 

not known if mineral licks (PCE 3) occur 

within this unit. This unit provides 

bighorn sheep habitat in the areas of 

Ash, Braley, Cartago, Olancha, and Falls 

Creeks. Carago, Olancha and Falls 

Creeks connect by Olancha Canyon to 

Olancha Peak (12,123 ft) (3,695 m) 

which provides some alpine summer 

habitat (southernmost in the Sierra 

Nevada) (Service 2003, p. 120). Winter 

range occurs as open, low-elevation 

(4,757 ft (1,450 m)), south-facing slopes 

(Service 2003, pp. 113, 120). 


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While this unit was not occupied at 

the time of listing, Sierra Nevada 

bighorn sheep occupied the area 

historically (Jones 1950, p. 39; 

Wehausen et al. 1987, p. 66; Wehausen 

1988a, p. 101). This unit is essential to 

the conservation of the Sierra Nevada 

bighorn sheep for increasing the number 

of herds to reduce the significance of 

losing any particular herd, increasing 

population viability, decreasing the 

degree of fragmentation of the current 

geographic distribution between this 

unit and Unit 10 (Mount Langley), 

increasing opportunities for genetic 

exchange between these units, and 

increasing overall herd numbers to 

reduce extinction risk from stochastic 

events. Conservation of this unit is 

necessary to achieve the long-term 

viability of this subspecies within its 

range. 

Effects of Critical Habitat Designation 

Section 7 Consultation 

Section 7 of the Act requires Federal 

agencies, including the Service, to 

ensure that actions they fund, authorize, 

or carry out are not likely to destroy or 

adversely modify critical habitat. 

Decisions by the 5th and 9th Circuit 

Court of Appeals have invalidated our 

definition of ‘‘destruction or adverse 

modification’’ (50 CFR 402.02) (see 

Gifford Pinchot Task Force v. U.S. Fish 

and Wildlife Service, 378 F.3d 1059 (9th 

Cir. 2004) and Sierra Club v. U.S. Fish 

and Wildlife Service et al., 245 F.3d 434, 

442F (5th Cir. 2001)), and we do not rely 

on this regulatory definition when 

analyzing whether an action is likely to 

destroy or adversely modify critical 

habitat. Under current national policy 

and the statutory provisions of the Act, 

we determine destruction or adverse 

modification on the basis of whether, 

with implementation of the proposed 

Federal action, the affected critical 

habitat would remain functional (or 

retain the current ability for the primary 

constituent elements to be functionally 

established) to serve the intended 

conservation role for the species. 

Section 7(a)(4) of the Act requires 

Federal agencies to confer with us on 

any action that is likely to jeopardize 

the continued existence of a species 

proposed for listing under the Act or 

result in destruction or adverse 

modification of proposed critical 

habitat. This is a procedural 

requirement only. However, once a 

species proposed for listing becomes 

listed, or proposed critical habitat is 

designated as final, the full prohibitions 

of section 7(a)(2) apply to any Federal 

action. The primary utility of the 

conference procedures is to allow a 

Federal agency to maximize its 

opportunity to adequately consider 

species proposed for listing and 

proposed critical habitat and to avoid 

potential delays in implementing the 

proposed action because of the section 

7(a)(2) compliance process, should we 

list those species or designate the 

critical habitat. 

We may provide advisory 

conservation recommendations to assist 

the agency in eliminating conflicts that 

the proposed action may cause. We may 

conduct either an informal or a formal 

conference. We typically use an 

informal conference if the proposed 

action is not likely to have any adverse 

effects to the species proposed for 

listing or proposed critical habitat. We 

typically use formal conferences when 

we or the Federal agency believes the 

proposed action is likely to cause 

adverse effects to species proposed for 

listing or proposed critical habitat, 

inclusive of those that may cause 

jeopardy or adverse modification. 

We generally provide the results of an 

informal conference in a conference 

report, while we provide the results of 

a formal conference in a conference 

opinion. We typically prepare 

conference opinions on proposed 

critical habitat according to 50 CFR 

402.14, as if the proposed critical 

habitat were already designated. We 

may adopt the conference opinion as the 

biological opinion when the critical 

habitat is designated, if no substantial 

new information or changes in the 

action alter the content of the opinion 

(see 50 CFR 402.10(d)). As noted above, 

any conservation recommendations in a 

conference report or opinion are strictly 

advisory. 

If a species is listed or critical habitat 

is designated, section 7(a)(2) of the Act 

requires Federal agencies to ensure that 

activities they authorize, fund, or carry 

out are not likely to jeopardize the 

continued existence of the species or to 

destroy or adversely modify its critical 

habitat. If a Federal action may affect a 

listed species or its critical habitat, the 

responsible Federal agency (action 

agency) must enter into consultation 

with us. As a result of this consultation, 

we document compliance with the 

requirements of section 7(a)(2) through 

our issuance of: 

(1) A concurrence letter for Federal 

actions that may affect, but are not 

likely to adversely affect, listed species 

or critical habitat; or 

(2) A biological opinion for Federal 

actions that are likely to adversely affect 

listed species or critical habitat. 

When we issue a biological opinion 

concluding that a project is likely to 

result in jeopardy to a listed species or 

the destruction or adverse modification 

of critical habitat, we also provide 

reasonable and prudent alternatives to 

the project, if any are identifiable. We 

define ‘‘Reasonable and prudent 

alternatives’’ at 50 CFR 402.02 as 

alternative actions identified during 

consultation that: 

• Can be implemented in a manner 

consistent with the intended purpose of 

the action, 

• Can be implemented consistent 

with the scope of the Federal agency’s 

legal authority and jurisdiction, 

• Are economically and 

technologically feasible, and 

• Would, in the Director’s opinion, 

avoid jeopardy to the listed species or 

destruction or adverse modification of 

critical habitat. 

Reasonable and prudent alternatives can 

vary from slight project modifications to 

extensive redesign or relocation of the 

project. Costs associated with 

implementing a reasonable and prudent 

alternative are similarly variable. 

Regulations at 50 CFR 402.16 require 

Federal agencies to reinitiate 

consultation on previously reviewed 

actions in instances where we have 

listed a new species or subsequently 

designated critical habitat that may be 

affected and the Federal agency has 

retained discretionary involvement or 

control over the action (or the agency’s 

discretionary involvement or control is 

authorized by law). Consequently, some 

Federal agencies may request 

reinitiation of consultation with us on 

actions for which formal consultation 

has been completed, if those actions 

may affect subsequently listed species 

or designated critical habitat or 

adversely modify or destroy proposed 

critical habitat. 

Federal activities that may affect the 

Sierra Nevada bighorn sheep or its 

designated critical habitat will require 

section 7 consultation under the Act. 

Activities on state, tribal, local or 

private lands requiring a Federal permit 

(such as a permit from the U.S. Army 

Corps of Engineers under section 404 of 

the Clean Water Act (33 U.S.C. 1251 et 

seq.) or a permit from us under section 

10(a)(1)(B) of the Act) or involving some 

other Federal action (such as funding 

from the Federal Highway 

Administration, Federal Aviation 

Administration, or the Federal 

Emergency Management Agency) are 

also subject to the section 7 consultation 

process. Federal actions not affecting 

listed species or critical habitat, and 

actions on State, Tribal, local or private 

lands that are not federally funded, 

authorized, or permitted, do not require 

section 7 consultations. 


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Application of the ‘‘Adverse 

Modification’’ Standard 

The analytical framework described 

in the Director’s December 9, 2004, 

memorandum will be used to complete 

section 7(a)(2) analysis for Federal 

actions affecting Sierra Nevada bighorn 

sheep critical habitat. The key factor 

related to the adverse modification 

determination is whether, with 

implementation of the proposed Federal 

action, the affected critical habitat 

would continue to serve its intended 

conservation role for the species, or 

would retain its current ability for the 

primary constituent elements to be 

functionally established. Activities that 

may destroy or adversely modify critical 

habitat are those that alter the PCEs to 

an extent that appreciably reduces the 

conservation value of critical habitat for 

Sierra Nevada bighorn sheep. Generally, 

the conservation role of Sierra Nevada 

bighorn sheep critical habitat units is to 

support viable core area populations. 

Section 4(b)(8) of the Act requires us 

to briefly evaluate and describe in any 

proposed or final regulation that 

designates critical habitat, those 

activities involving a Federal action that 

may destroy or adversely modify such 

habitat, or that may be affected by such 

designation. 

Activities that, when carried out, 

funded, or authorized by a Federal 

agency, may affect critical habitat and 

therefore should result in consultation 

for Sierra Nevada bighorn sheep 

include, but are not limited to: 

(1) Actions that would significantly 

reduce ongoing management and 

conservation efforts that benefit the 

Sierra Nevada bighorn sheep on public 

lands. Such activities could include, but 

are not limited to, the sale, exchange, or 

lease of lands managed by the United 

States Forest Service (USFS) or other 

Federal agency. These activities could 

reduce the amount of space that is 

available for individual and population 

growth and normal behavior, as well as 

reduce or eliminate the number and 

extent of sites for foraging, breeding, 

reproduction, and rearing of offspring. 

These activities could also reduce the 

opportunities available to Federal 

agencies to exercise their section 7(a)(1) 

responsibilities to carry out programs to 

conserve listed species. 

(2) Actions that would significantly 

reduce the availability of or accessibility 

to summer and winter ranges. Such 

activities could include, but are not 

limited to, grazing, mining, and road 

construction activities. These activities 

could degrade, reduce, fragment or 

eliminate available foraging resources or 

alter current foraging activities of Sierra 

Nevada bighorn sheep. 

(3) Actions that would result in the 

significant expansion of tall, dense 

vegetation such as timber within 

bighorn sheep habitat. Such activities 

could include, but are not limited to, 

fire suppression. These activities could 

allow expansion of vegetation cover 

such that movement patterns of bighorn 

sheep are altered by avoidance of these 

areas. Tall, dense vegetation provides 

cover for predators such as the 

mountain lion, a common predator of 

Sierra Nevada bighorn sheep. 

(4) Actions that would create 

significant barriers to movement. Such 

activities could include, but are not 

limited to, road construction, and resort 

or campground facility development or 

expansion. These activities could 

interfere with movement within and 

between habitats reducing the 

availability of habitat for foraging, 

breeding, reproduction, sheltering, and 

rearing of offspring. These activities 

could also reduce opportunities for 

movement between existing 

populations. Dispersal and interaction 

between populations could be affected, 

restricting gene flow and jeopardizing 

the integrity of the gene pool. Road 

construction can result in the direct 

mortality of individuals through 

collisions with vehicles. 

(5) Actions that would significantly 

degrade habitat or cause a disturbance 

to Sierra Nevada bighorn sheep. Such 

activities could include, but are not 

limited to, recreational activities, such 

as off-road vehicle use, hiking, camping, 

rock climbing, and outfitter guides and 

pack animal expeditions. These 

activities could impact the quality and 

quantity of forage across landscape or 

displace animals from key foraging 

areas. These activities could also impact 

the accessibility to key habitats such as 

escape terrain, breeding sites, or 

lambing areas. If animals flee these areas 

as a result of these activities, energy is 

expended which can negatively impact 

the animal’s body condition, resulting 

in possible reduced reproductive 

success. 

We consider all of the units proposed 

as critical habitat to contain features 

essential to the conservation of the 

Sierra Nevada bighorn sheep, including 

those units which were not occupied at 

the time of listing. All units are within 

the historic geographic range of the 

subspecies, and those units which were 

not occupied at the time of listing have 

been determined to be essential for the 

conservation of the Sierra Nevada 

bighorn sheep. Detailed descriptions of 

the units and their occupancy status can 

be found in each of the Unit 

descriptions or within Table 3. Under 

section 7 of the Act, Federal agencies 

already consult with us on activities in 

areas currently occupied by the Sierra 

Nevada bighorn sheep, or if the 

subspecies may be affected by the 

action, to ensure that their actions do 

not jeopardize the continued existence 

of the Sierra Nevada bighorn sheep. 

Application of Section 4(b)(2) of the Act 

Section 4(b)(2) of the Act states that 

the Secretary must designate and revise 

critical habitat on the basis of the best 

available scientific data after taking into 

consideration the economic impact, 

impact on national security, and any 

other relevant impact, of specifying any 

particular area as critical habitat. The 

Secretary may exclude an area from 

critical habitat if he determines that the 

benefits of such exclusion outweigh the 

benefits of specifying such area as part 

of the critical habitat, unless he 

determines, based on the best scientific 

data available, that the failure to 

designate such area as critical habitat 

will result in the extinction of the 

species. In making that determination, 

the Congressional record is clear that 

the Secretary has broad discretion 

regarding which factor(s) to use and 

how much weight to give to any factor. 

Under section 4(b)(2) of the Act, in 

considering whether to exclude a 

particular area from the designation, we 

must identify the benefits of including 

the area in the designation, identify the 

benefits of excluding the area from the 

designation, and determine whether the 

benefits of exclusion outweigh the 

benefits of inclusion. If we consider an 

exclusion then we must determine 

whether excluding the area would result 

in the extinction of the species. 

In the following sections, we address 

a number of general issues that are 

relevant to the exclusions we are 

considering. In addition, we are 

conducting an economic analysis of the 

impacts of the proposed critical habitat 

designation and related factors, which 

will be available for public review and 

comment when it is complete. Based on 

public comment on that document, the 

proposed designation itself, and the 

information in the final economic 

analysis, the Secretary may exclude 

from critical habitat additional areas 

beyond those identified in this 

assessment under the provisions of 

section 4(b)(2) of the Act. This is also 

addressed in our implementing 

regulations at 50 CFR 242.19. 

Currently, we are aware of four 

documents related to the conservation 

and recovery of the Sierra Nevada 

bighorn sheep. We reviewed these 

documents, but we are not currently 


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proposing the exclusion of lands 

covered by them for reasons indicated 

below. These documents include the 

Sierra Nevada Bighorn Sheep Recovery 

and Conservation Plan (Sierra Nevada 

Bighorn Sheep Interagency Advisory 

Group 1984), the Bighorn Sheep 

Management Plan (National Park 

Service 1986), the Inyo National Forest 

Resource & Management Plan (U.S. 

Forest Service 1988), and A 

Conservation Strategy for Sierra Nevada 

Bighorn Sheep (Sierra Nevada Bighorn 

Sheep Interagency Advisory Group 

1997). All of these documents were 

prepared prior to the emergency listing 

of the Sierra Nevada bighorn sheep in 

1999. 

The goal of the Sierra Nevada Bighorn 

Sheep Recovery and Conservation Plan 

(Sierra Bighorn Sheep Interagency 

Advisory Group 1984, pp. 1–2) was to 

improve the status of the Sierra Nevada 

bighorn sheep by (1) maintaining the 

health and viability of existing 

populations, and by promoting the 

establishment of at least 3 populations 

that exceeded 100 animals and were 

geographically distant from one another; 

(2) restoring bighorn sheep to former 

ranges within the Sierra Nevada where 

ecologically, economically, and 

politically feasible and where favorable 

to their success; and (3) ensuring genetic 

integrity by using only bighorn from 

existing Sierra Nevada populations to 

restock historic ranges. Conservation 

recommendations made in A 

Conservation Strategy for Sierra Nevada 

Bighorn Sheep (Sierra Nevada Bighorn 

Sheep Interagency Advisory Group 

1997, pp. 11–14) related to restoration of 

the Sierra Nevada bighorn sheep in a 

distribution that assures long-term 

viability and reestablishment 

throughout its native range and 

included preservation of current 

populations, predator control, fire (let 

burn policy), grazing by domestic sheep 

and goats, genetic diversity, 

reintroductions and augmentations, and 

research and monitoring. The goal of the 

Bighorn Sheep Management Plan 

(National Park Service 1986, pp. 1–2) 

was to restore and perpetuate bighorn 

sheep and to protect the integrity of the 

ecosystem. Management was directed 

toward restoring and maintaining 

populations of bighorn sheep for 

ecological, scientific, educational, 

aesthetic, and recreational values. The 

Inyo National Forest’s Land & Resource 

Management Plan (U.S. Forest Service 

1988, pp. 101–102) provided guidance 

to maintain existing sheep habitat, 

expand the range of bighorn sheep by 

transplanting animals into suitable 

unoccupied habitats within the historic 

range, maintain the health of existing 

herds by not allowing an increase in 

livestock use if disease transmission 

was shown to be harmful to bighorn 

sheep, and prohibit the conversion of 

livestock type from cattle to sheep on or 

adjacent to existing or approved 

reintroduction sites for the bighorn 

sheep. 

The Inyo National Forest also 

established two California Bighorn 

Sheep Zoological Areas for the Mount 

Baxter and Mount Williamson herds. 

These areas totaled 4,505 acres (1,823 

hectares) in addition to existing 

wilderness lands (36,235 acres (14,664 

hectares)) occupied by bighorn sheep. In 

1981, forest officials issued Order No. 

04–81–3, which prohibited entrance 

into these areas without a valid visitor 

use permit, and restricted entrance into 

closed portions of the zoological areas 

during certain time periods, and the 

presence of dogs, or the discharge of 

firearms unless taking a game animal 

legally permitted by the State of 

California (U.S. Forest Service 1981, p. 

1). Exemptions were allowed for certain 

individuals and duties/activities. This 

order was issued during a time when 

recreational use was thought to be 

having a detrimental impact on the 

Mount Baxter and Mount Williamson 

herds. 

While these plans were prepared to 

assist in the restoration and recovery 

and habitat protection of the Sierra 

Nevada bighorn sheep, they were 

written prior to the listing of this 

subspecies, which occurred in 1999 and 

2000, and they generally offer only 

guidance and recommendations related 

to translocations, research, monitoring, 

education, and habitat management 

with little specificity of actions to be 

implemented. The guidance provided in 

these documents and the recreational 

prohibitions in the California Bighorn 

Sheep Zoological Areas did not provide 

sufficient, nor necessarily appropriate, 

protections, to the Sierra Nevada 

bighorn sheep or its habitat to prevent 

its listing under the Act. 

Economic Analysis 

We are preparing an analysis of the 

economic impacts of proposing critical 

habitat for the Sierra Nevada bighorn 

sheep. We will announce the 

availability of the draft economic 

analysis as soon as it is completed, at 

which time we will seek public review 

and comment. At that time, copies of 

the draft economic analysis will be 

available for downloading from the 

Internet at http://www.fws.gov/nevada, 

or by contacting the Nevada Fish and 

Wildlife Office directly (see ADDRESSES

section). We may exclude areas from the 

final rule based on the information in 

the economic analysis. 

Peer Review 

In accordance with our joint policy 

published in the Federal Register on 

July 1, 1994 (59 FR 34270), we are 

obtaining the expert opinions of at least 

three appropriate and independent 

specialists regarding this proposed rule. 

The purpose of peer review is to ensure 

that our critical habitat designation is 

based on scientifically sound data, 

assumptions, and analyses. We have 

invited these peer reviewers to comment 

during this public comment period on 

our specific assumptions and 

conclusions in this proposed 

designation of critical habitat. 

We will consider all comments and 

information we receive during this 

comment period on this proposed rule 

during our preparation of a final 

determination. Accordingly, our final 

decision may differ from this proposal. 

Public Hearings 

The Act provides for one or more 

public hearings on this proposal, if we 

receive any requests for hearings. Per 

4(b)(5)(e), a request for hearing must be 

received within 45 days of publication 

of the proposal. We will schedule public 

hearings on this proposal, if any are 

requested, and announce the dates, 

times, and places of those hearings in 

the Federal Register and local 

newspapers at least 15 days before the 

first hearing. 

Required Determinations 

Clarity of the Rule 

Executive Order 12866 (Regulatory 

Planning and Review) requires each 

agency to write regulations and notices 

that are easy to understand. We invite 

your comments on how to make this 

proposed rule easier to understand, 

including answers to questions such as 

the following: (1) Are the requirements 

in the proposed rule clearly stated? (2) 

Does the proposed rule contain 

technical jargon that interferes with the 

clarity? (3) Does the format of the 

proposed rule (grouping and order of 

the sections, use of headings, 

paragraphing, and so forth) aid or 

reduce its clarity? (4) Is the description 

of the notice in the SUPPLEMENTARY

INFORMATION section of the preamble 

helpful in understanding the proposed 

rule? (5) What else could we do to make 

this proposed rule easier to understand? 

Send a copy of any comments on how 

we could make this proposed rule easier 

to understand to: Office of Regulatory 

Affairs, Department of the Interior, 

Room 7229, 1849 C Street, NW., 


rwilkins on PROD1PC63 with PROPOSALS2
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Washington, DC 20240. You may e-mail 

your comments to this address: 

Exsec@ios.doi.gov. 

Regulatory Planning and Review 

In accordance with Executive Order 

(E.O.) 12866, this document is a 

significant rule in that it may raise novel 

legal and policy issues, but we do not 

anticipate that it will have an annual 

effect on the economy of $100 million 

or more or affect the economy in a 

material way. Due to the tight timeline 

for publication in the Federal Register, 

the Office of Management and Budget 

(OMB) has not formally reviewed this 

rule. In order to determine the economic 

consequences of designating the specific 

area as critical habitat we are preparing 

a draft economic analysis of this 

proposed action, which will be available 

for public comment. This economic 

analysis also will be used to determine 

compliance with E.O. 12866, the 

Regulatory Flexibility Act, the Small 

Business Regulatory Enforcement 

Fairness Act, E.O. 12630, E.O. 13211, 

and E.O. 12875. 

Further, E.O. 12866 directs Federal 

agencies promulgating regulations to 

evaluate regulatory alternatives (OMB, 

Circular A–4, September 17, 2003). 

Under Circular A–4, once an agency 

determines that the Federal regulatory 

action is appropriate, the agency must 

consider alternative regulatory 

approaches. Since the determination of 

critical habitat is a statutory 

requirement under the Act we must 

then evaluate alternative regulatory 

approaches, where feasible, when 

promulgating a designation of critical 

habitat. 

In developing our designations of 

critical habitat, we consider economic 

impacts, impacts to national security, 

and other relevant impacts pursuant to 

section 4(b)(2) of the Act. Based on the 

discretion allowable under this 

provision, we may exclude any 

particular area from the designation of 

critical habitat providing that the 

benefits of such exclusion outweigh the 

benefits of specifying the area as critical 

habitat and that such exclusion would 

not result in the extinction of the 

species. As such, we believe that the 

evaluation of the inclusion or exclusion 

of particular areas, or a combination of 

both constitutes our regulatory 

alternative analysis for designations. 

We will announce the availability of 

the draft economic analysis in the 

Federal Register and in local 

newspapers so that it is available for 

public review and comments. The draft 

economic analysis will also be available 

on the Internet at http://www.fws.gov/ 

nevada, or at the Nevada Fish and 

Wildlife Office (see ADDRESSES). 

Regulatory Flexibility Act 

Under the Regulatory Flexibility Act 

(RFA; 5 U.S.C. 601 et seq., as amended 

by the Small Business Regulatory 

Enforcement Fairness Act (SBREFA) of 

1996), whenever an agency must 

publish a notice of rulemaking for any 

proposed or final rule, it must prepare 

and make available for public comment 

a regulatory flexibility analysis that 

describes the effects of the rule on small 

entities (small businesses, small 

organizations, and small government 

jurisdictions). However, no regulatory 

flexibility analysis is required if the 

head of the agency certifies the rule will 

not have a significant economic impact 

on a substantial number of small 

entities. SBREFA amended RFA to 

require Federal agencies to provide a 

statement of the factual basis for 

certifying that the rule will not have a 

significant economic impact on a 

substantial number of small entities. 

At this time, we lack the available 

economic information necessary to 

provide an adequate factual basis for the 

required RFA finding. Therefore, we 

defer the RFA finding until completion 

of the draft economic analysis prepared 

under section 4(b)(2) of the Act and E.O. 

12866. This draft economic analysis will 

provide the required factual basis for the 

RFA finding. Upon completion of the 

draft economic analysis, we will 

announce availability of the draft 

economic analysis of the proposed 

designation in the Federal Register and 

reopen the public comment period for 

the proposed designation. We will 

include with this announcement, as 

appropriate, an initial regulatory 

flexibility analysis or a certification that 

the rule will not have a significant 

economic impact on a substantial 

number of small entities accompanied 

by the factual basis for that 

determination. We have concluded that 

deferring the RFA finding until 

completion of the draft economic 

analysis is necessary to meet the 

purposes and requirements of the RFA. 

Deferring the RFA finding in this 

manner will ensure that we make a 

sufficiently informed determination 

based on adequate economic 

information and provide the necessary 

opportunity for public comment. 

Energy Supply, Distribution, or Use 

On May 18, 2001, the President issued 

an Executive Order (E.O. 13211; 

‘‘Actions Concerning Regulations That 

Significantly Affect Energy Supply, 

Distribution, or Use’’) on regulations 

that significantly affect energy supply, 

distribution, and use. E.O. 13211 

requires agencies to prepare Statements 

of Energy Effects when undertaking 

certain actions. While this proposed 

rule to designate critical habitat for the 

Sierra Nevada bighorn sheep is a 

significant regulatory action under E.O. 

12866 in that it may raise novel legal 

and policy issues, we do not expected 

it to significantly affect energy supplies, 

distribution, or use. Therefore, this 

action is not a significant energy action, 

and no Statement of Energy Effects is 

required. However, we will further 

evaluate this issue as we conduct our 

economic analysis, and review and 

revise this assessment as warranted. 

Unfunded Mandates Reform Act (2 

U.S.C. 1501 et seq.) 

In accordance with the Unfunded 

Mandates Reform Act (2 U.S.C. 1501 et 

seq.), we make the following findings: 

(a) This rule will not produce a 

Federal mandate. In general, a Federal 

mandate is a provision in legislation, 

statute, or regulation that would impose 

an enforceable duty upon State, local, or 

Tribal governments, or the private 

sector, and includes both ‘‘Federal 

intergovernmental mandates’’ and 

‘‘Federal private sector mandates.’’

These terms are defined in 2 U.S.C. 

658(5)–(7). ‘‘Federal intergovernmental 

mandate’’ includes a regulation that 

‘‘would impose an enforceable duty 

upon State, local, or tribal governments’’

with two exceptions. It excludes ‘‘a 

condition of Federal assistance.’’ It also 

excludes ‘‘a duty arising from 

participation in a voluntary Federal 

program,’’ unless the regulation ‘‘relates 

to a then-existing Federal program 

under which $500,000,000 or more is 

provided annually to State, local, and 

tribal governments under entitlement 

authority,’’ if the provision would 

‘‘increase the stringency of conditions of 

assistance’’ or ‘‘place caps upon, or 

otherwise decrease, the Federal 

Government’s responsibility to provide 

funding,’’ and the State, local, or Tribal 

governments ‘‘lack authority’’ to adjust 

accordingly. At the time of enactment, 

these entitlement programs were: 

Medicaid; AFDC work programs; Child 

Nutrition; Food Stamps; Social Services 

Block Grants; Vocational Rehabilitation 

State Grants; Foster Care, Adoption 

Assistance, and Independent Living; 

Family Support Welfare Services; and 

Child Support Enforcement. ‘‘Federal 

private sector mandate’’ includes a 

regulation that ‘‘would impose an 

enforceable duty upon the private 

sector, except (i) a condition of Federal 

assistance or (ii) a duty arising from 

participation in a voluntary Federal 

program.’’


rwilkins on PROD1PC63 with PROPOSALS2
40976 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

The designation of critical habitat 

does not impose a legally binding duty 

on non-Federal Government entities or 

private parties. Under the Act, the only 

regulatory effect is that Federal agencies 

must ensure that their actions do not 

destroy or adversely modify critical 

habitat under section 7. While nonFederal entities that receive Federal 

funding, assistance, or permits, or that 

otherwise require approval or 

authorization from a Federal agency for 

an action, may be indirectly impacted 

by the designation of critical habitat, the 

legally binding duty to avoid 

destruction or adverse modification of 

critical habitat rests squarely on the 

Federal agency. Furthermore, to the 

extent that non-Federal entities are 

indirectly impacted because they 

receive Federal assistance or participate 

in a voluntary Federal aid program, the 

Unfunded Mandates Reform Act would 

not apply, nor would critical habitat 

shift the costs of the large entitlement 

programs listed above onto State 

governments. 

(b) We do not believe that this rule 

will significantly or uniquely affect 

small governments because the vast 

majority of the lands involved in the 

proposed designation are Federal (e.g., 

U.S. Forest Service, National Park 

Service, and Bureau of Land 

Management). As such, a Small 

Government Agency Plan is not 

required. However, as we conduct our 

economic analysis, we will further 

evaluate this issue and revise this 

assessment if appropriate. 

Takings 

In accordance with E.O. 12630 

(‘‘Government Actions and Interference 

with Constitutionally Protected Private 

Property Rights’’), we have analyzed the 

potential takings implications of 

designating critical habitat for the Sierra 

Nevada bighorn sheep in a takings 

implications assessment. The takings 

implications assessment concludes that 

this designation of critical habitat for 

the Sierra Nevada bighorn sheep does 

not pose significant takings 

implications. However, we will, further 

evaluate this issue as we conduct our 

economic analysis and review and 

revise this assessment as warranted. 

Federalism 

In accordance with E.O. 13132 

(Federalism), this rule does not have 

significant Federalism effects. A 

Federalism assessment is not required. 

In keeping with Department of the 

Interior and Department of Commerce 

policy, we requested information from, 

and coordinated development of, this 

proposed critical habitat designation 

with appropriate State resource agencies 

in California. The designation of critical 

habitat in areas currently occupied by 

the Sierra Nevada bighorn sheep 

imposes no additional restrictions to 

those currently in place and, therefore, 

has little incremental impact on State 

and local governments and their 

activities. The designation may have 

some benefit to these governments in 

that the areas that contain the features 

essential to the conservation of the 

subspecies are more clearly defined, and 

the primary constituent elements of the 

habitat necessary to the conservation of 

the subspecies are specifically 

identified. This information does not 

alter where and what federally 

sponsored activities may occur. 

However, it may assist local 

governments in long-range planning 

(rather than having them wait for caseby-case section 7 consultations to 

occur). 

Civil Justice Reform 

In accordance with E.O. 12988 (Civil 

Justice Reform), the Office of the 

Solicitor has determined that the rule 

does not unduly burden the judicial 

system and that it meets the 

requirements of sections 3(a) and 3(b)(2) 

of the Order. We have proposed 

designating critical habitat in 

accordance with the provisions of the 

Act. This proposed rule uses standard 

property descriptions and identifies the 

primary constituent elements within the 

designated areas to assist the public in 

understanding the habitat needs of the 

Sierra Nevada bighorn sheep. 

Paperwork Reduction Act of 1995 

This rule does not contain any new 

collections of information that require 

approval by OMB under the Paperwork 

Reduction Act of 1995 (44 U.S.C. 3501 

et seq.). This rule will not impose 

recordkeeping or reporting requirements 

on State or local governments, 

individuals, businesses, or 

organizations. An agency may not 

conduct or sponsor, and a person is not 

required to respond to, a collection of 

information unless it displays a 

currently valid OMB control number. 

National Environmental Policy Act 

(NEPA) 

It is our position that, outside the 

jurisdiction of the Circuit Court of the 

United States for the Tenth Circuit, we 

do not need to prepare environmental 

analyses as defined by the NEPA (42 

U.S.C. 4321 et seq.) in connection with 

designating critical habitat under the 

Act. We published a notice outlining 

our reasons for this determination in the 

Federal Register on October 25, 1983 

(48 FR 49244). This assertion was 

upheld by the Circuit Court of the 

United States for the Ninth Circuit 

(Douglas County v. Babbitt, 48 F.3d 

1495 (9th Cir. 1995), cert. denied 516 

U.S. 1042 (1996)). 

Government-to-Government 

Relationship with Tribes 

In accordance with the President’s 

memorandum of April 29, 1994, 

‘‘Government-to-Government Relations 

with Native American Tribal 

Governments’’ (59 FR 22951), E.O. 

13175, and the Department of the 

Interior’s manual at 512 DM 2, we 

readily acknowledge our responsibility 

to communicate meaningfully with 

recognized Federal Tribes on a 

government-to-government basis. In 

accordance with Secretarial Order 3206 

of June 5, 1997, ‘‘American Indian 

Tribal Rights, Federal-Tribal Trust 

Responsibilities, and the Endangered 

Species Act,’’ we readily acknowledge 

our responsibilities to work directly 

with tribes in developing programs for 

healthy ecosystems, to acknowledge that 

tribal lands are not subject to the same 

controls as Federal public lands, to 

remain sensitive to Indian culture, and 

to make information available to tribes. 

We have determined that there are no 

tribal lands occupied at the time of 

listing that contain the features essential 

for the conservation, and no tribal lands 

that are essential for the conservation of 

the Sierra Nevada bighorn sheep. 

Therefore, we have not proposed 

designation of critical habitat for the 

Sierra Nevada bighorn sheep on Tribal 

lands. 

References Cited 

A complete list of all references cited 

in this rulemaking is available upon 

request from the Field Supervisor, 

Nevada Fish and Wildlife Office (see 

ADDRESSES section). 

Author(s) 

The primary authors of this package 

are staff from the Nevada Fish and 

Wildlife and the Ventura Fish and 

Wildlife Offices. 

List of Subjects in 50 CFR Part 17 

Endangered and threatened species, 

Exports, Imports, Reporting and 

recordkeeping requirements, 

Transportation. 

Proposed Regulation Promulgation 

Accordingly, we propose to amend 

part 17, subchapter B of chapter I, title 

50 of the Code of Federal Regulations, 

as set forth below: 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40977 

PART 17—[AMENDED] 

1. The authority citation for part 17 

continues to read as follows: 

Authority: 16 U.S.C. 1361–1407; 16 U.S.C. 

1531–1544; 16 U.S.C. 4201–4245; Pub. L. 99–

625, 100 Stat. 3500; unless otherwise noted. 

2. In § 17.11(h), revise the entry for 

‘‘Sheep, Sierra Nevada bighorn’’ under 

‘‘MAMMALS’’ in the List of Endangered 

and Threatened Wildlife to read as 

follows: 

§ 17.11 Endangered and threatened 

wildlife. 

* * * * * 

(h) * * * 

Species 

Historic range 

Vertebrate population where endangered or threatened 

Status When 

listed 

Critical 

habitat 

Special 

rules Common name Scientific name 

MAMMALS 

* * * * * * * 

Sheep, Sierra 

Nevada bighorn.

Ovis canadensis 

sierrae.

U.S.A. (western conterminous 

States), Canada, (south-west), 

Mexico (north).

U.S.A. (CA)—Sierra 

Nevada.

E ............ 660E, 675 17.95(a) NA 

* * * * * * * 

3. In § 17.95(a), add an entry for 

‘‘Sierra Nevada bighorn sheep (Ovis 

canadensis sierrae)’’ in the same 

alphabetical order in which the 

subspecies appears in the table in 

§ 17.11(h) to read as follows: 

§ 17.95 Critical habitat—fish and wildlife. 

(a) Mammals. 

* * * * * 

Sierra Nevada Bighorn Sheep (Ovis 

Canadensis Sierrae) 

(1) Critical habitat units are depicted 

for Mono, Fresno, Inyo, Tulare, and 

Tuolumne counties, California, on the 

maps below. 

(2) The primary constituent elements 

of critical habitat for the Sierra Nevada 

bighorn sheep are the habitat 

components that provide: 

(i) Non-forested habitats or forest 

openings within the Sierra Nevada from 

4,000 ft (1,219 m) to 14,500 ft (4,420 m) 

in elevation with steep (greater than or 

equal to 60 percent slope), rocky slopes 

that provide for foraging, mating, 

lambing, predator avoidance, and 

bedding and allow for seasonal 

elevational movements between these 

areas. 

(ii) Presence of a variety of forage 

plants as indicated by the presence of 

grasses (e.g., Achnanthera spp.; Elymus 

spp.) and browse (e.g., Ribes spp.; 

Artemisia spp., Purshia spp.) in winter, 

and grasses, browse, sedges (e.g., Carex 

spp.) and forbs (e.g., Eriogonum spp.) in 

summer. 

(iii) Presence of granite rock 

outcroppings containing minerals such 

as sodium, calcium, iron, and 

phosphorus that could be used as salt 

licks/mineral licks in order to meet 

nutritional needs. 

(3) Critical habitat does not include 

manmade structures (such as buildings, 

aqueducts, airports, roads, and other 

paved areas) and the land on which they 

are located existing on the effective date 

of this rule and not containing one or 

more of the primary constituent 

elements. 

(4) Critical Habitat Map Units—

Boundaries of proposed critical habitat 

were derived from Sierra Nevada 

Bighorn Sheep Herd Units developed by 

the California Department of Fish and 

Game for the final Sierra Nevada 

Bighorn Sheep (SNBS) recovery plan. 

The proposed critical habitat unit 

boundaries differ from SNBS Herd Unit 

polygons by the removal of developed 

areas and private parcels that are 

unlikely to contain the primary 

constituent elements. The data were 

projected to Universal Transverse 

Mercator (UTM), zone 11, on the North 

American Datum of 1983. 

(5) Note: Index map of Sierra Nevada 

bighorn sheep critical habitat (Map 1) 

follows: 


rwilkins on PROD1PC63 with PROPOSALS2
40978 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

BILLING CODE 4310–55–P 

(6) Unit 1 (Mount Warren); Mono and 

Tuolumne Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Dunderberg Peak, Lundy, 

Tioga Pass, and Mount Dana. Land 

bounded by the following UTM zone 11 

NAD83 coordinates (E, N): 300786, 

4215918; 301348, 4215650; 301467, 

4215784; 302384, 4216077; 303459, 

4215689; 303626, 4215452; 303452, 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.001</GPH>
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40979 

4215254; 303072, 4215278; 302764, 

4215064; 302495, 4214977; 302218, 

4214677; 302052, 4214558; 301783, 

4214281; 300486, 4214005; 300351, 

4213839; 299853, 4213704; 299442, 

4213475; 299007, 4213079; 298991, 

4212842; 299252, 4212723; 299640, 

4212755; 300185, 4212913; 300359, 

4213103; 300525, 4213166; 300565, 

4213498; 300952, 4213562; 301111, 

4213158; 301435, 4212858; 301593, 

4213150; 301807, 4213253; 302566, 

4213245; 303396, 4213317; 303902, 

4213419; 304227, 4214044; 304567, 

4214092; 304891, 4213752; 305310, 

4213467; 305864, 4213158; 306239, 

4212945; 306714, 4212984; 307362, 

4212747; 307474, 4212940; 307514, 

4213252; 307539, 4213822; 307697, 

4214242; 307964, 4214386; 308395, 

4214515; 308841, 4214450; 308846, 

4214218; 308653, 4213802; 308499, 

4213297; 308529, 4212618; 308692, 

4211980; 308673, 4211876; 308514, 

4211856; 308366, 4211891; 307853, 

4211988; 307236, 4212146; 306682, 

4212162; 306073, 4212186; 305788, 

4211948; 305694, 4211640; 305788, 

4211165; 305970, 4210944; 306192, 

4210991; 306643, 4210857; 306801, 

4210588; 306785, 4209932; 306813, 

4209244; 306995, 4208658; 307596, 

4208532; 307920, 4208532; 308173, 

4208674; 308252, 4209244; 308315, 

4209418; 308647, 4209275; 308774, 

4208951; 308861, 4208635; 309082, 

4208500; 309320, 4208184; 309415, 

4207425; 309810, 4206847; 309023, 

4206191; 308628, 4206151; 308177, 

4206547; 308177, 4206927; 307679, 

4207037; 307275, 4206863; 306856, 

4206444; 306761, 4206033; 306991, 

4205724; 307220, 4205701; 307560, 

4205495; 307623, 4205179; 307797, 

4204973; 307916, 4204649; 308074, 

4204325; 308398, 4204182; 309134, 

4204348; 309846, 4203850; 309960, 

4203534; 310316, 4202846; 310490, 

4202284; 310569, 4201841; 310585, 

4201240; 310640, 4201098; 310799, 

4200900; 310759, 4200655; 310672, 

4200584; 310261, 4200536; 309984, 

4200513; 309513, 4200252; 309102, 

4200370; 308865, 4200418; 308651, 

4200592; 308525, 4201043; 308303, 

4201343; 308058, 4201644; 307837, 

4202047; 307362, 4202403; 307180, 

4202458; 307062, 4202268; 307165, 

4202015; 306919, 4202023; 306477, 

4202150; 306081, 4202300; 305599, 

4202632; 305231, 4202751; 304456, 

4203210; 304369, 4203344; 303989, 

4203637; 303720, 4203913; 303420, 

4204119; 303183, 4204870; 303325, 

4205329; 303396, 4205661; 303345, 

4206057; 303202, 4206278; 303052, 

4206294; 302688, 4205582; 302894, 

4205092; 302720, 4204799; 302736, 

4204467; 303036, 4204198; 303036, 

4203637; 303195, 4203399; 303487, 

4203178; 303622, 4203036; 304120, 

4202806; 304353, 4202577; 304529, 

4202575; 304667, 4202584; 304837, 

4202460; 304869, 4202391; 304869, 

4202134; 304626, 4201784; 304263, 

4201582; 304024, 4201380; 303875, 

4201200; 303803, 4201210; 303746, 

4201218; 303578, 4201335; 303363, 

4201575; 303353, 4201611; 303344, 

4201642; 303314, 4201600; 303309, 

4201636; 303304, 4201627; 303289, 

4201621; 303104, 4201636; 302748, 

4201612; 302416, 4201770; 301988, 

4202118; 301648, 4202442; 301387, 

4202695; 301150, 4203099; 300897, 

4203431; 300826, 4203787; 301024, 

4204032; 301126, 4204412; 301142, 

4205092; 300652, 4205970; 300253, 

4206191; 299794, 4206294; 299311, 

4206365; 298916, 4206349; 298584, 

4205900; 298544, 4205764; 298853, 

4205614; 299375, 4205622; 300142, 

4204847; 300197, 4204617; 300166, 

4204412; 300071, 4204174; 299565, 

4204214; 298963, 4204174; 298315, 

4204151; 298149, 4203953; 298188, 

4203257; 298378, 4202893; 298350, 

4202526; 298268, 4202121; 298476, 

4201913; 298679, 4202026; 298698, 

4202381; 298628, 4202634; 298691, 

4202950; 299115, 4202552; 299185, 

4202324; 298875, 4201482; 298647, 

4201236; 298324, 4200742; 298369, 

4200337; 298122, 4200388; 298116, 

4200685; 298192, 4201109; 298160, 

4201261; 298078, 4201337; 297970, 

4201318; 297685, 4200983; 297319, 

4200888; 297186, 4200793; 297091, 

4200748; 296901, 4200951; 296654, 

4200976; 296287, 4201008; 295857, 

4200660; 295579, 4200200; 295506, 

4200236; 295139, 4199793; 294924, 

4199483; 294734, 4199641; 294582, 

4199932; 294449, 4200109; 294095, 

4200084; 293583, 4200369; 293323, 

4200710; 293108, 4200609; 292950, 

4200268; 292608, 4200369; 292754, 

4200748; 292944, 4200964; 293228, 

4201248; 293614, 4201014; 293874, 

4200723; 294127, 4200571; 294563, 

4200635; 295196, 4200805; 295310, 

4200957; 295247, 4201122; 295367, 

4201406; 295702, 4201318; 296031, 

4201375; 296265, 4201622; 296474, 

4201982; 296803, 4202349; 296942, 

4202539; 296936, 4202849; 296635, 

4202969; 296426, 4202994; 296078, 

4202703; 295990, 4202507; 295541, 

4202406; 294756, 4202697; 294674, 

4202800; 294642, 4203007; 294813, 

4203134; 295560, 4203178; 295661, 

4203184; 295882, 4203418; 295927, 

4203703; 295383, 4203855; 295326, 

4203943; 295927, 4204057; 296135, 

4204241; 296015, 4204405; 295522, 

4204405; 295427, 4204608; 295569, 

4205032; 295746, 4205354; 295980, 

4205677; 296252, 4206012; 296347, 

4206265; 296322, 4206778; 296328, 

4207126; 296566, 4207328; 296800, 

4207721; 296850, 4207948; 296743, 

4208214; 295971, 4208777; 295813, 

4208891; 295674, 4209163; 295212, 

4209492; 294408, 4209555; 294161, 

4209378; 293801, 4209239; 293776, 

4209473; 294070, 4209967; 294620, 

4210454; 295057, 4210327; 295215, 

4210315; 295272, 4210625; 295234, 

4210776; 295316, 4211010; 295689, 

4211156; 295816, 4211023; 295879, 

4210776; 295765, 4210618; 295898, 

4210485; 296215, 4210416; 296297, 

4210232; 296335, 4209954; 296436, 

4209682; 296866, 4209384; 296923, 

4209043; 297113, 4208904; 297160, 

4209239; 296945, 4210163; 296926, 

4210220; 296964, 4210511; 296838, 

4210852; 296699, 4211542; 296578, 

4211789; 296411, 4212206; 296316, 

4212814; 296202, 4213219; 296316, 

4213693; 296664, 4213959; 297094, 

4213826; 297372, 4213535; 297676, 

4213402; 297942, 4213301; 298157, 

4213320; 298429, 4213434; 298625, 

4213769; 298517, 4214085; 298464, 

4214465; 298666, 4214705; 298919, 

4214819; 299122, 4214832; 299267, 

4214857; 299368, 4215136; 299027, 

4215585; 299033, 4215781; 299210, 

4215926; 299533, 4215711; 299988, 

4215528; 300071, 4215756; 300090, 

4215983; 299697, 4216559; 299546, 

4216654; 299410, 4216907; 299359, 

4217034; 299416, 4217413; 299454, 

4217729; 299391, 4218002; 299410, 

4218318; 299479, 4218577; 299529, 

4218766; 299885, 4218821; 300296, 

4218734; 300755, 4218505; 300865, 

4218101; 300858, 4217690; 300731, 

4217445; 300525, 4217247; 300446, 

4216796; 300470, 4216409; returning to 

300786, 4215918; excluding land 

bounded by 304870, 4211718; 304755, 

4211663; 304590, 4211666; 304426, 

4211699; 304273, 4211615; 304237, 

4211614; 304100, 4211575; 304119, 

4211576; 304068, 4211562; 304036, 

4211567; 303925, 4211593; 303824, 

4211552; 303714, 4211495; 303668, 

4211501; 303558, 4211486; 303473, 

4211423; 303421, 4211366; 303381, 

4211308; 303223, 4211322; 303176, 

4211295; 303181, 4211202; 303103, 

4211161; 303208, 4210962; 303418, 

4211073; 303481, 4211022; 303500, 

4211020; 303617, 4211098; 303675, 

4211109; 303894, 4211096; 303983, 

4211127; 304053, 4211125; 304053, 

4211124; 304106, 4211121; 304460, 

4211207; 304518, 4211250; 304590, 

4211261; 304644, 4211303; 304747, 

4211336; 304863, 4211395; 304882, 

4211457; 305018, 4211524; 305128, 

4211543; 305289, 4211677; 305397, 


rwilkins on PROD1PC63 with PROPOSALS2
40980 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

4211739; 305477, 4211807; 305515, 

4211863; 305405, 4211903; 305374, 

4211907; 305176, 4211813; 305029, 

4211770; returning to 304870, 4211718. 

(ii) Note: Map of Unit 1 Mount 

Warren for Sierra Nevada bighorn sheep 

(Map 2) follows: 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.002</GPH>
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40981 

(7) Unit 2 (Mount Gibbs); Mono and 

Tuolumne Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Mount Dana, Vogelsang 

Peak, Kiop Peak, and June Lake. Land 

bounded by the following UTM zone 11 

NAD83 coordinates (E, N): 305185, 

4201586; 305855, 4201263; 306124, 

4201406; 306203, 4201516; 306615, 

4201390; 307214, 4201220; 307539, 

4200758; 307946, 4200481; 308191, 

4199870; 308255, 4199529; 308437, 

4199297; 308728, 4198949; 308679, 

4198612; 308778, 4198157; 309188, 

4197993; 309259, 4197840; 308990, 

4197698; 308498, 4197676; 308268, 

4197570; 308079, 4197576; 307891, 

4197582; 307737, 4197512; 307657, 

4197364; 307500, 4197181; 307271, 

4197113; 307075, 4196893; 307221, 

4196737; 307673, 4196685; 308081, 

4196446; 308575, 4196543; 308912, 

4196457; 309062, 4196415; 309890, 

4196313; 309934, 4195897; 309443, 

4195913; 309141, 4195923; 308877, 

4195931; 308572, 4195866; 308570, 

4195790; 308525, 4195566; 308481, 

4195379; 308053, 4194978; 307970, 

4194755; 308120, 4194712; 308418, 

4194590; 308675, 4194356; 308668, 

4194130; 308697, 4193865; 308613, 

4193604; 308382, 4193461; 308112, 

4193281; 307734, 4193293; 307728, 

4193105; 307761, 4192953; 308063, 

4192944; 308472, 4192742; 308775, 

4192770; 308930, 4192878; 309271, 

4192905; 309416, 4192712; 309403, 

4192298; 309382, 4191659; 309372, 

4191358; 309323, 4190983; 309238, 

4190684; 309151, 4190348; 308920, 

4190204; 308879, 4190093; 309026, 

4189975; 309327, 4189928; 309478, 

4189923; 309626, 4189843; 309582, 

4189656; 309389, 4189511; 309271, 

4189365; 309114, 4189181; 308699, 

4189195; 308470, 4189127; 308167, 

4189099; 308163, 4188986; 308347, 

4188829; 308683, 4188705; 308907, 

4188623; 309244, 4188537; 309241, 

4188424; 309232, 4188161; 309187, 

4187936; 309219, 4187747; 309325, 

4187517; 309475, 4187475; 309740, 

4187504; 309966, 4187459; 310116, 

4187454; 310418, 4187445; 310796, 

4187433; 310981, 4187314; 311089, 

4187160; 311233, 4186929; 311450, 

4186621; 311820, 4186383; 312166, 

4186560; 312582, 4186585; 312850, 

4186689; 313267, 4186713; 313537, 

4186893; 313956, 4186993; 314142, 

4186911; 314210, 4186683; 313896, 

4186317; 313515, 4186216; 313165, 

4185888; 312814, 4185560; 312729, 

4185262; 312376, 4184859; 312069, 

4184718; 312061, 4184454; 312163, 

4184112; 312082, 4183926; 312340, 

4183730; 312407, 4183464; 312433, 

4183087; 312500, 4182821; 312680, 

4182551; 312860, 4182282; 312892, 

4182093; 312627, 4182063; 312476, 

4182068; 312249, 4182075; 312208, 

4182071; 311998, 4182077; 311586, 

4182088; 311587, 4181967; 311448, 

4181837; 311217, 4181694; 310862, 

4181818; 310494, 4182132; 310199, 

4182367; 310100, 4182822; 309769, 

4183096; 309149, 4183794; 308929, 

4183989; 308630, 4184112; 308254, 

4184162; 307917, 4184248; 307768, 

4184328; 307399, 4184603; 307064, 

4184765; 306876, 4184771; 306831, 

4184546; 306859, 4184244; 307079, 

4184049; 307309, 4184154; 307832, 

4183949; 307980, 4183869; 308206, 

4183824; 308386, 4183555; 308415, 

4183290; 308521, 4183061; 308890, 

4182785; 309001, 4182707; 309101, 

4182289; 309206, 4182022; 309387, 

4181790; 309493, 4181561; 309480, 

4181147; 309469, 4180808; 309422, 

4180509; 309346, 4180511; 308934, 

4180599; 308710, 4180682; 308336, 

4180807; 307916, 4180670; 307577, 

4180718; 307056, 4180961; 307062, 

4181149; 307103, 4181261; 307594, 

4181245; 307821, 4181238; 307972, 

4181233; 308421, 4181105; 308651, 

4181211; 308583, 4181439; 308513, 

4181630; 308597, 4181891; 308640, 

4182040; 308456, 4182197; 308228, 

4182166; 308186, 4182017; 308104, 

4181831; 307987, 4181722; 307724, 

4181768; 307615, 4181885; 307621, 

4182073; 307627, 4182261; 307712, 

4182559; 307685, 4182899; 307543, 

4183205; 307282, 4183289; 307129, 

4183256; 307044, 4182957; 306921, 

4182660; 306760, 4182326; 306600, 

4182068; 306519, 4181882; 306400, 

4181697; 306253, 4181853; 306186, 

4182118; 306269, 4182342; 306507, 

4182711; 306589, 4182897; 306638, 

4183234; 306530, 4183426; 306339, 

4183357; 306140, 4183024; 306019, 

4182802; 305780, 4182395; 305402, 

4182407; 304992, 4182571; 304691, 

4182618; 304390, 4182666; 304162, 

4182635; 303858, 4182570; 303478, 

4182506; 303058, 4182369; 302790, 

4182265; 302558, 4182084; 302321, 

4181752; 302167, 4181682; 302174, 

4181908; 302245, 4182357; 302609, 

4183099; 303409, 4183300; 303569, 

4183558; 303767, 4183853; 303915, 

4183773; 304140, 4183691; 304291, 

4183686; 304371, 4183834; 304419, 

4184171; 304505, 4184470; 304744, 

4184876; 305210, 4185276; 305624, 

4185225; 305819, 4185407; 305910, 

4185894; 305808, 4186236; 305819, 

4186575; 305677, 4186881; 305456, 

4187038; 305266, 4187007; 305033, 

4186826; 304725, 4186647; 304426, 

4186732; 304291, 4186912; 304361, 

4187073; 304630, 4187215; 304639, 

4187479; 304380, 4187675; 303774, 

4187619; 303538, 4187326; 303336, 

4186918; 302983, 4186515; 302551, 

4186001; 302008, 4185567; 301544, 

4185242; 301242, 4185252; 301103, 

4185633; 301045, 4186162; 301023, 

4186653; 300708, 4187454; 300429, 

4188178; 300069, 4188717; 299821, 

4189253; 299469, 4190055; 299301, 

4190701; 299206, 4191269; 298879, 

4191693; 298557, 4192269; 298227, 

4192581; 297610, 4193354; 297507, 

4193696; 297853, 4193873; 298117, 

4193865; 298670, 4193433; 299225, 

4193038; 299810, 4192455; 300248, 

4191951; 300500, 4191566; 300693, 

4191711; 300702, 4191974; 300710, 

4192237; 300763, 4192688; 301153, 

4193090; 301573, 4193227; 301797, 

4193144; 301901, 4192840; 301743, 

4192619; 301656, 4192283; 301725, 

4192054; 301910, 4191935; 301638, 

4191718; 301556, 4191495; 301664, 

4191341; 301928, 4191332; 301999, 

4191179; 301875, 4190844; 301831, 

4190657; 301974, 4190389; 302007, 

4190237; 302072, 4189934; 302332, 

4189775; 302708, 4189725; 302857, 

4189645; 302775, 4189459; 302842, 

4189194; 303031, 4189188; 303109, 

4189260; 303151, 4189410; 303419, 

4189514; 303412, 4189288; 303441, 

4189024; 303428, 4188610; 303908, 

4188255; 304058, 4188213; 304396, 

4188165; 304735, 4188116; 304855, 

4188338; 304939, 4188599; 304950, 

4188938; 304957, 4189164; 305187, 

4189269; 305269, 4189455; 305127, 

4189761; 305504, 4189711; 305763, 

4189552; 305714, 4189215; 305825, 

4189136; 305907, 4189322; 306137, 

4189427; 306323, 4189346; 306553, 

4189452; 306809, 4189180; 306998, 

4189174; 307228, 4189279; 307030, 

4189587; 307033, 4189700; 307043, 

4190001; 306899, 4190231; 306523, 

4190281; 306299, 4190364; 306043, 

4190635; 305976, 4190901; 306020, 

4191088; 306175, 4191196; 306371, 

4191416; 306346, 4191831; 306166, 

4192101; 306021, 4192293; 305873, 

4192411; 305718, 4192266; 305637, 

4192117; 305145, 4192096; 304781, 

4192521; 304448, 4192720; 304155, 

4193031; 303859, 4193229; 303716, 

4193460; 303612, 4193764; 303468, 

4193995; 303328, 4194338; 303076, 

4194723; 302596, 4195078; 302527, 

4195268; 302718, 4195337; 303205, 

4195209; 303469, 4195200; 303808, 

4195152; 304074, 4195219; 304642, 

4195238; 304872, 4195344; 304913, 

4195455; 304954, 4195567; 304921, 

4195719; 304545, 4195768; 304283, 

4195852; 304096, 4195896; 303835, 

4196017; 303572, 4196063; 302817, 

4196087; 302749, 4196316; 302916, 

4196800; 303270, 4197241; 303129, 

4197546; 302755, 4197671; 302575, 


rwilkins on PROD1PC63 with PROPOSALS2
40982 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

4197941; 302696, 4198201; 302856, 

4198459; 302985, 4198945; 303114, 

4199430; 303351, 4199762; 303767, 

4199786; 304175, 4199547; 304351, 

4199127; 304677, 4198702; 305313, 

4198494; 305467, 4198602; 305372, 

4199170; 305153, 4199403; 304741, 

4199529; 304600, 4199835; 304504, 

4200365; 304630, 4200775; 304836, 

4201296; returning to 305185, 4201586. 

(ii) Note: Map of Unit 2 (Mount Gibbs) 

for Sierra Nevada bighorn sheep (Map 3) 

follows: 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40983 

(8) Unit 3 (Convict Creek); Fresno and 

Mono Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Crystal Crag, Bloody 

Mountain, Convict Lake, Graveyard 

Peak, and Mount Abbot. Land bounded 

by the following UTM zone 11 NAD83 

coordinates (E, N): 327481, 4161516; 

327397, 4161255; 327279, 4161108; 

327082, 4160851; 327076, 4160663; 

327184, 4160508; 327409, 4160464; 

327720, 4160717; 327917, 4160975; 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.003</GPH>
40984 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

328080, 4161346; 328312, 4161527; 

328424, 4161486; 328373, 4161073; 

328322, 4160660; 328009, 4160294; 

327814, 4160112; 327619, 4159930; 

327573, 4159668; 327755, 4159436; 

327980, 4159391; 328058, 4159464; 

328100, 4159613; 328112, 4159989; 

328455, 4160091; 328333, 4159794; 

328366, 4159642; 328515, 4159600; 

329004, 4159509; 329304, 4159462; 

329223, 4159276; 329061, 4158942; 

329089, 4158640; 329077, 4158264; 

329260, 4158070; 329631, 4157870; 

329891, 4157711; 330272, 4157812; 

330655, 4157988; 330812, 4158171; 

330677, 4158665; 330869, 4158772; 

330951, 4158957; 330667, 4159531; 

330492, 4159989; 330469, 4160441; 

330231, 4160072; 329887, 4159970; 

329706, 4160202; 329604, 4160582; 

329624, 4161184; 329708, 4161445; 

329829, 4161705; 329701, 4162424; 

329860, 4162683; 330161, 4162636; 

330229, 4162605; 330305, 4162536; 

330367, 4162498; 330436, 4162454; 

330524, 4162442; 330650, 4162448; 

330788, 4162473; 330908, 4162473; 

331083, 4162492; 331140, 4162504; 

331203, 4162517; 331272, 4162523; 

331366, 4162555; 331511, 4162561; 

331699, 4162599; 331781, 4162643; 

331938, 4162661; 332095, 4162680; 

332208, 4162712; 332277, 4162768; 

332465, 4162862; 332534, 4162913; 

332635, 4162969; 332817, 4163076; 

333112, 4163170; 333338, 4163252; 

333477, 4163271; 333769, 4163236; 

333886, 4163345; 333999, 4163342; 

334489, 4163289; 334674, 4163170; 

334896, 4163012; 335120, 4162930; 

335271, 4162925; 335385, 4162959; 

335499, 4162993; 335873, 4162868; 

335986, 4162864; 336135, 4162784; 

336130, 4162634; 336050, 4162486; 

335971, 4162375; 335815, 4162230; 

335736, 4162119; 335467, 4161977; 

335312, 4161869; 335113, 4161536; 

335031, 4161351; 334948, 4161090; 

334944, 4160977; 334971, 4160637; 

335037, 4160334; 335176, 4159953; 

335396, 4159757; 335442, 4160020; 

335634, 4160089; 335816, 4159895; 

336039, 4159775; 336234, 4159957; 

336206, 4160259; 336107, 4160714; 

336230, 4161011; 336572, 4161076; 

336860, 4160652; 337102, 4159929; 

337085, 4159402; 336881, 4158919; 

336718, 4158548; 336744, 4158170; 

336769, 4157793; 336716, 4157305; 

336743, 4156965; 336896, 4157036; 

337058, 4157370; 337147, 4157781; 

337196, 4158156; 337552, 4158634; 

337948, 4159224; 338069, 4159446; 

338416, 4159661; 338643, 4159692; 

339127, 4159450; 339575, 4159285; 

339958, 4159462; 340015, 4160062; 

339770, 4160673; 339893, 4160970; 

340382, 4160917; 340644, 4160833; 

340942, 4160711; 341461, 4160393; 

341779, 4159705; 341840, 4159251; 

341780, 4158537; 341470, 4158284; 

340960, 4157697; 340383, 4157377; 

339777, 4157321; 339130, 4157191; 

338931, 4156858; 339034, 4156553; 

339306, 4156771; 339537, 4156914; 

340337, 4157115; 340640, 4157143; 

341134, 4157240; 341505, 4157040; 

341686, 4156770; 341995, 4156987; 

342165, 4157584; 342517, 4157949; 

342774, 4157715; 342913, 4157334; 

343193, 4156647; 343330, 4156191; 

343594, 4155015; 343725, 4154371; 

343966, 4153647; 343986, 4153082; 

344111, 4152249; 343944, 4151765; 

343522, 4151553; 343113, 4151754; 

342857, 4152026; 342402, 4151965; 

342317, 4151666; 342226, 4151180; 

342065, 4150883; 341869, 4150664; 

341671, 4150369; 341818, 4150251; 

341851, 4150099; 341956, 4149833; 

342177, 4149637; 342286, 4149521; 

342403, 4149630; 342560, 4149813; 

342900, 4149803; 343043, 4149572; 

342844, 4149239; 342499, 4149100; 

342680, 4148830; 342942, 4148747; 

343179, 4149078; 343456, 4149484; 

343790, 4149285; 343627, 4148913; 

343392, 4148657; 343149, 4148138; 

343258, 4148021; 343285, 4147681; 

343274, 4147305; 343051, 4147425; 

342828, 4147545; 342597, 4147402; 

342331, 4147373; 342146, 4147492; 

341968, 4147836; 341938, 4148063; 

342128, 4148095; 342311, 4147938; 

342503, 4148008; 342621, 4148154; 

342698, 4148227; 342665, 4148379; 

342076, 4148850; 341633, 4149165; 

341530, 4149507; 341467, 4149886; 

340838, 4150320; 340536, 4150330; 

340193, 4150228; 339889, 4150162; 

339587, 4150171; 339398, 4150177; 

339018, 4150114; 338825, 4149970; 

338896, 4149817; 339009, 4149813; 

339161, 4149846; 339187, 4149469; 

339290, 4149164; 339520, 4149270; 

339943, 4149482; 339780, 4149111; 

339617, 4148739; 339785, 4148094; 

339553, 4147913; 339226, 4148338; 

339052, 4148795; 338679, 4148958; 

338273, 4149234; 338126, 4149389; 

337938, 4149395; 337855, 4149172; 

337743, 4149213; 337593, 4149256; 

337372, 4149413; 337145, 4149421; 

336956, 4149427; 336767, 4149395; 

336649, 4149248; 336606, 4149099; 

336751, 4148906; 336861, 4148789; 

337006, 4148597; 336889, 4148487; 

336627, 4148571; 336405, 4148729; 

336376, 4148993; 336231, 4149186; 

335967, 4149194; 335890, 4149159; 

335775, 4149088; 335555, 4149321; 

335298, 4149555; 335219, 4149444; 

335214, 4149294; 335317, 4148952; 

335422, 4148685; 335343, 4148574; 

335155, 4148618; 334974, 4148849; 

334791, 4149044; 334636, 4148935; 

334377, 4149094; 334726, 4149385; 

334810, 4149646; 335042, 4149826; 

335274, 4149970; 335582, 4150148; 

335517, 4150489; 335252, 4150460; 

334801, 4150550; 334430, 4150750; 

334326, 4151054; 334556, 4151160; 

334815, 4151001; 335077, 4150917; 

335122, 4151142; 335386, 4151134; 

335508, 4151393; 335481, 4151733; 

335604, 4152030; 335946, 4152095; 

335919, 4152435; 335770, 4152515; 

335428, 4152450; 335229, 4152118; 

334800, 4151717; 334460, 4151690; 

334193, 4151623; 333778, 4151637; 

333556, 4151794; 333602, 4152057; 

333834, 4152200; 334068, 4152456; 

333925, 4152686; 333513, 4152813; 

333101, 4152939; 332646, 4152878; 

332309, 4152964; 332579, 4153144; 

332958, 4153169; 332736, 4153327; 

332481, 4153636; 332603, 4153896; 

332905, 4153886; 333240, 4153725; 

333470, 4153831; 333326, 4154061; 

332997, 4154411; 332816, 4154642; 

332323, 4154583; 331984, 4154631; 

331786, 4154336; 331739, 4154036; 

331544, 4153854; 331056, 4153945; 

330870, 4154064; 330929, 4153535; 

330955, 4153158; 330490, 4152796; 

330298, 4152689; 329759, 4152367; 

329452, 4152226; 328877, 4151981; 

328610, 4151876; 328051, 4152120; 

327499, 4152590; 327096, 4152979; 

326655, 4153370; 326660, 4153520; 

326891, 4153664; 327222, 4153389; 

327255, 4153238; 327701, 4152997; 

328038, 4152911; 328485, 4152709; 

328936, 4152619; 329510, 4152865; 

329784, 4153157; 330092, 4153336; 

330406, 4153702; 330418, 4154079; 

330544, 4154489; 330398, 4154644; 

330064, 4154843; 329848, 4155189; 

329897, 4155526; 330114, 4155218; 

330372, 4155021; 330745, 4154859; 

330825, 4155007; 330829, 4155120; 

330800, 4155422; 330658, 4155690; 

330699, 4155802; 330882, 4155608; 

331136, 4155298; 331392, 4155027; 

331581, 4155021; 331776, 4155203; 

331783, 4155428; 331529, 4155775; 

331387, 4156044; 331135, 4156428; 

331029, 4156658; 330886, 4156926; 

330742, 4157156; 330441, 4157204; 

330252, 4157172; 329987, 4157180; 

329609, 4157155; 329273, 4157278; 

329088, 4157397; 328941, 4157553; 

328787, 4157445; 328668, 4157260; 

328468, 4156927; 328161, 4156787; 

328003, 4156566; 327921, 4156342; 

327877, 4156155; 327758, 4155971; 

327559, 4155676; 327286, 4155383; 

327201, 4155085; 327007, 4154940; 

326815, 4154833; 326772, 4154684; 

326727, 4154460; 326612, 4154388; 

326271, 4154361; 326126, 4154554; 

325531, 4154874; 325086, 4155114; 

324787, 4155237; 324378, 4155438; 

324118, 4155560; 323895, 4155680; 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40985 

323635, 4155838; 323259, 4155888; 

322877, 4155750; 322732, 4155943; 

322737, 4156093; 322896, 4156352; 

323125, 4156420; 323018, 4156611; 

322684, 4156810; 322343, 4156783; 

321782, 4156952; 321290, 4156930; 

320875, 4156943; 320497, 4156955; 

320162, 4157117; 319826, 4157240; 

319673, 4157170; 319511, 4156836; 

319276, 4156580; 319088, 4156586; 

318974, 4156589; 318478, 4156417; 

318176, 4156426; 317723, 4156441; 

317349, 4156566; 317047, 4156575; 

316698, 4156285; 316351, 4156070; 

316118, 4155889; 315930, 4155895; 

315745, 4156014; 315795, 4156427; 

316149, 4156868; 316383, 4157086; 

316545, 4157420; 317188, 4157437; 

317494, 4157578; 318140, 4157670; 

318786, 4157801; 319280, 4157898; 

319619, 4157849; 320036, 4157911; 

320491, 4157935; 321164, 4157725; 

322066, 4157583; 322813, 4157296; 

323329, 4156903; 323662, 4156666; 

324374, 4156493; 324515, 4156187; 

324658, 4155919; 325033, 4155832; 

325413, 4155895; 325671, 4155698; 

325961, 4155313; 326257, 4155115; 

326599, 4155179; 326800, 4155549; 

327035, 4155806; 327234, 4156138; 

327403, 4156698; 327602, 4157030; 

327877, 4157361; 328071, 4157505; 

328272, 4157875; 328618, 4158090; 

328548, 4158243; 328136, 4158369; 

328410, 4158662; 328343, 4158927; 

328427, 4159188; 328470, 4159375; 

328242, 4159307; 328161, 4159159; 

327707, 4159136; 327489, 4159407; 

327232, 4159641; 327165, 4159906; 

327061, 4160211; 326614, 4160414; 

326550, 4160755; 326336, 4161176; 

326306, 4161403; 326647, 4161429; 

326949, 4161420; 326992, 4161607; 

327347, 4162047; 327465, 4162194; 

327587, 4162492; 327642, 4163017; 

327766, 4163352; 328145, 4163378; 

328207, 4162961; 328235, 4162659; 

328223, 4162283; 328027, 4162063; 

327795, 4161882; 327560, 4161626; 

returning to 327481, 4161516. 

(ii) Note: Map of Unit 3 (Convict 

Creek) for Sierra Nevada bighorn sheep 

(Map 4) follows: 

BILLING CODE 4310–55–P 


rwilkins on PROD1PC63 with PROPOSALS2
40986 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

(9) Unit 4 (Wheeler Ridge); Fresno, 

Inyo and Mono Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Mount Abbot, Mount 

Morgan, Mount Hilgard, Mount Tom, 

Tungsten Hills, Mount Henry, Mount 

Darwin and Mount Thompson. Land 

bounded by the following UTM zone 11 

NAD83 coordinates (E, N): 351676, 

4150867; 352490, 4150441; 352738, 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.004</GPH>
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40987 

4150510; 353065, 4150282; 353442, 

4150500; 353779, 4150847; 354294, 

4150817; 354552, 4150341; 354641, 

4149994; 354681, 4149558; 354453, 

4149439; 354245, 4149221; 354463, 

4148953; 354522, 4148735; 354413, 

4148398; 354532, 4148140; 354493, 

4147862; 354909, 4147912; 354711, 

4147119; 355098, 4146296; 355132, 

4146201; 355158, 4146034; 355162, 

4145681; 355123, 4145288; 355123, 

4144981; 355035, 4144787; 354974, 

4144489; 354895, 4144120; 354745, 

4143840; 354537, 4143588; 354359, 

4143519; 354349, 4143132; 354329, 

4142934; 354141, 4142686; 353967, 

4141942; 353729, 4141853; 353600, 

4141804; 353610, 4141566; 353729, 

4141328; 353610, 4141219; 353600, 

4141000; 354066, 4140584; 354463, 

4140584; 354780, 4140286; 355068, 

4140019; 355256, 4139642; 355425, 

4139136; 355395, 4138799; 355489, 

4138412; 355499, 4138254; 355618, 

4138144; 355737, 4137748; 356035, 

4137639; 356560, 4137272; 356818, 

4136984; 356828, 4136617; 356996, 

4136211; 357016, 4135715; 356649, 

4135477; 356243, 4135299; 356084, 

4135239; 356144, 4135011; 356491, 

4135090; 356848, 4134892; 357046, 

4134614; 357140, 4134515; 356932, 

4134019; 356714, 4133771; 356476, 

4133652; 356357, 4133405; 356486, 

4133216; 356535, 4132839; 356307, 

4132740; 355990, 4132611; 355782, 

4132542; 355583, 4132294; 355197, 

4132125; 355038, 4131907; 354671, 

4131709; 354265, 4131739; 353898, 

4131778; 353590, 4131719; 352817, 

4131709; 352688, 4131421; 352787, 

4131223; 353283, 4131263; 354235, 

4131382; 354473, 4131253; 354721, 

4131233; 355018, 4131144; 355157, 

4131025; 355068, 4130757; 354721, 

4130450; 354656, 4130281; 354746, 

4130241; 354835, 4130132; 355103, 

4130063; 355202, 4129944; 354934, 

4129488; 354755, 4129111; 354865, 

4128556; 355103, 4128189; 355222, 

4127842; 355202, 4127385; 354993, 

4127247; 354795, 4127544; 354458, 

4127822; 354240, 4128020; 354081, 

4128010; 353922, 4127792; 353893, 

4127584; 354369, 4127524; 354398, 

4127247; 354508, 4127038; 354438, 

4126612; 354508, 4126443; 354364, 

4126196; 354106, 4126086; 353888, 

4125670; 353898, 4125491; 354215, 

4125402; 354334, 4125204; 354721, 

4124956; 355960, 4125313; 355940, 

4125095; 355603, 4124926; 355197, 

4124619; 354701, 4124411; 354126, 

4123994; 353808, 4123806; 353828, 

4123707; 354156, 4123508; 354661, 

4123627; 354453, 4123449; 354354, 

4123122; 353967, 4123042; 354512, 

4122715; 355613, 4122546; 356089, 

4122675; 356416, 4122497; 356501, 

4122179; 356431, 4121832; 356035, 

4121713; 355846, 4121644; 355638, 

4121406; 355291, 4121436; 354835, 

4121644; 354567, 4121674; 354160, 

4121793; 353932, 4121862; 353843, 

4121753; 353794, 4121406; 354527, 

4120970; 355013, 4120742; 354954, 

4120305; 354270, 4119691; 354022, 

4119770; 353675, 4119730; 353357, 

4119562; 353169, 4119413; 353159, 

4119224; 352792, 4119304; 352653, 

4119215; 352217, 4119224; 351553, 

4119334; 351280, 4119026; 351250, 

4118679; 351389, 4118570; 351617, 

4118649; 351766, 4118471; 351914, 

4118193; 352024, 4117945; 351984, 

4117132; 351776, 4117013; 351468, 

4116845; 350576, 4117102; 350080, 

4117271; 349971, 4117152; 349406, 

4117102; 349644, 4117549; 349911, 

4117747; 350645, 4117618; 350982, 

4117638; 351012, 4117945; 350725, 

4118511; 350100, 4118600; 349545, 

4118332; 349178, 4118342; 348712, 

4117787; 348464, 4117142; 348196, 

4116884; 348077, 4116914; 348057, 

4117122; 347819, 4117142; 347750, 

4117370; 347908, 4117737; 348156, 

4117836; 348325, 4118154; 348176, 

4118332; 347879, 4118352; 347175, 

4118570; 346798, 4118848; 346937, 

4119096; 347651, 4119294; 347482, 

4119572; 346847, 4119532; 346728, 

4119572; 346748, 4119750; 347165, 

4120057; 347065, 4120295; 347065, 

4120494; 346946, 4120583; 346788, 

4120345; 346599, 4119998; 346461, 

4119958; 346153, 4120256; 345801, 

4120038; 345682, 4119661; 345414, 

4119581; 345206, 4119373; 345018, 

4119334; 344601, 4119026; 344403, 

4118996; 344086, 4118610; 343848, 

4118689; 343243, 4118877; 342846, 

4118947; 342767, 4119096; 342836, 

4119383; 343223, 4119691; 343620, 

4119740; 344006, 4119899; 344343, 

4120077; 344224, 4120256; 343887, 

4120305; 343630, 4120414; 343798, 

4120761; 343580, 4120890; 343064, 

4120811; 342757, 4120910; 342678, 

4120990; 342628, 4121366; 342886, 

4121813; 342816, 4121912; 342549, 

4121892; 342410, 4121991; 342122, 

4122160; 341934, 4122209; 341825, 

4121951; 342033, 4121753; 342043, 

4121396; 341736, 4121198; 341755, 

4120791; 341438, 4120424; 341150, 

4120514; 341150, 4120752; 341061, 

4120900; 340992, 4121366; 340541, 

4121684; 340273, 4121654; 339757, 

4121644; 339648, 4121505; 339351, 

4121475; 339222, 4121555; 339222, 

4121922; 339361, 4122298; 339787, 

4122338; 340065, 4122249; 340263, 

4122110; 340630, 4122070; 340987, 

4121872; 341245, 4121743; 341384, 

4121783; 341473, 4121942; 341324, 

4122061; 341403, 4122417; 341284, 

4122646; 341403, 4122854; 341691, 

4122725; 341820, 4122774; 341859, 

4122983; 341701, 4123241; 341542, 

4123290; 341215, 4123161; 340947, 

4123151; 340620, 4123211; 340313, 

4123340; 340104, 4123538; 340164, 

4123677; 340600, 4123657; 340937, 

4123756; 341235, 4123816; 341354, 

4124262; 341651, 4124192; 341790, 

4123994; 341800, 4123707; 341969, 

4123498; 342137, 4123389; 342355, 

4123241; 342445, 4123022; 342564, 

4122963; 342564, 4123290; 342425, 

4123945; 342534, 4124252; 342831, 

4124391; 342930, 4124500; 343208, 

4124401; 342950, 4123915; 343020, 

4123558; 342891, 4123022; 342901, 

4122784; 343258, 4122616; 343387, 

4122675; 343565, 4123191; 343555, 

4123746; 343644, 4124083; 343773, 

4124163; 343952, 4124034; 343962, 

4123667; 344319, 4123746; 344269, 

4123528; 343942, 4123300; 343922, 

4122844; 343664, 4122298; 343506, 

4122070; 343674, 4121832; 343922, 

4121634; 344200, 4121614; 344497, 

4121813; 344755, 4121882; 344775, 

4122606; 344943, 4123241; 345241, 

4123687; 345409, 4123161; 345350, 

4122497; 345261, 4121664; 345340, 

4121307; 345920, 4121237; 346416, 

4121158; 346694, 4121128; 346912, 

4121327; 346961, 4121604; 346832, 

4121872; 346644, 4122120; 346446, 

4122398; 346495, 4122546; 346743, 

4122427; 347150, 4122239; 347368, 

4121912; 347507, 4121991; 347665, 

4122229; 347834, 4122189; 347675, 

4121783; 347725, 4121585; 347388, 

4121466; 347239, 4121099; 347417, 

4120851; 347437, 4120623; 347576, 

4120385; 347755, 4120206; 347953, 

4120186; 348151, 4120305; 348102, 

4120523; 348558, 4121456; 348667, 

4121416; 348657, 4120434; 348697, 

4120256; 348568, 4119978; 348300, 

4119938; 348012, 4119938; 347923, 

4119800; 348231, 4119472; 348488, 

4119324; 348637, 4119145; 348786, 

4119016; 349292, 4119423; 349242, 

4119780; 349510, 4120038; 349530, 

4120295; 349877, 4120295; 350244, 

4120236; 350095, 4120028; 349827, 

4119978; 349659, 4119810; 349659, 

4119502; 349768, 4119234; 349817, 

4118897; 350283, 4118907; 350710, 

4119036; 350992, 4119552; 351141, 

4119810; 350883, 4120434; 350814, 

4120950; 350943, 4121426; 351091, 

4121892; 350834, 4122328; 350596, 

4122765; 350576, 4123003; 350655, 

4123181; 350987, 4123112; 351592, 

4123250; 351919, 4123746; 352088, 

4124192; 352405, 4124678; 352286, 

4125095; 351800, 4125372; 351463, 

4125650; 351057, 4125888; 350700, 

4126017; 350491, 4125868; 350194, 


rwilkins on PROD1PC63 with PROPOSALS2
40988 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

4126007; 350333, 4126255; 350660, 

4126245; 350868, 4126414; 350819, 

4126701; 350472, 4126850; 349986, 

4126820; 349827, 4126662; 349629, 

4126493; 349510, 4126652; 349371, 

4127068; 349292, 4127227; 349113, 

4127435; 348320, 4126840; 348161, 

4126681; 347884, 4126681; 347794, 

4126781; 347636, 4126751; 347536, 

4126523; 347368, 4126295; 346912, 

4126037; 346604, 4125769; 346545, 

4125521; 346356, 4125333; 346029, 

4125353; 345598, 4124986; 344963, 

4124906; 344348, 4125115; 343962, 

4125412; 343515, 4125809; 342891, 

4125958; 342673, 4126156; 342722, 

4126315; 343109, 4126562; 344110, 

4126840; 344696, 4126949; 345538, 

4127038; 346381, 4126999; 347046, 

4127078; 347611, 4127247; 348057, 

4127614; 348156, 4128090; 348275, 

4128328; 348622, 4128447; 348969, 

4128774; 349069, 4129200; 348945, 

4129577; 348726, 4129736; 348350, 

4129964; 348032, 4130003; 348350, 

4130142; 348855, 4129914; 349153, 

4129904; 349153, 4130261; 348984, 

4130380; 348518, 4131035; 348231, 

4131649; 348001, 4131812; 347610, 

4131751; 346976, 4131497; 346488, 

4131121; 345930, 4130538; 345600, 

4130086; 344777, 4129685; 344366, 

4129451; 343719, 4129106; 342627, 

4129131; 341637, 4129314; 340922, 

4129396; 340478, 4129563; 340320, 

4129769; 340454, 4130269; 340201, 

4130832; 340772, 4130769; 340978, 

4130872; 341105, 4131166; 341113, 

4131411; 341390, 4131760; 341494, 

4132244; 341565, 4132387; 341763, 

4132292; 341787, 4132165; 341985, 

4132236; 342021, 4132578; 341902, 

4132847; 341617, 4133117; 341371, 

4133276; 340918, 4133339; 340696, 

4133307; 340101, 4133347; 339586, 

4133101; 339284, 4133061; 338737, 

4133014; 338253, 4132800; 337650, 

4132816; 337448, 4132887; 337432, 

4133196; 337345, 4133442; 337392, 

4133656; 337916, 4133775; 338027, 

4134132; 338249, 4134339; 338360, 

4134315; 338479, 4134132; 338328, 

4133966; 338305, 4133736; 338400, 

4133664; 338662, 4133736; 338939, 

4133783; 339114, 4134005; 339106, 

4134474; 339368, 4134688; 339439, 

4134513; 339439, 4134243; 339606, 

4134045; 340010, 4133910; 340177, 

4133887; 340335, 4134132; 340288, 

4134378; 340097, 4134719; 339883, 

4134910; 339463, 4135053; 339375, 

4135140; 339344, 4135529; 339399, 

4135640; 339621, 4135759; 340177, 

4135592; 340581, 4135061; 340883, 

4134973; 340922, 4134831; 340851, 

4134569; 340788, 4134442; 340859, 

4134362; 341176, 4134513; 341462, 

4134656; 341668, 4134664; 341775, 

4135219; 341886, 4135624; 342053, 

4135862; 342116, 4136068; 342410, 

4136235; 343163, 4136211; 343290, 

4136433; 343275, 4136576; 343052, 

4136719; 342751, 4136687; 342529, 

4136933; 342204, 4137234; 342283, 

4137440; 342648, 4137440; 342973, 

4137210; 343084, 4137298; 343060, 

4137472; 342902, 4137631; 342616, 

4137750; 342418, 4137948; 342398, 

4138361; 342009, 4138670; 341652, 

4138472; 341605, 4138242; 341375, 

4138020; 341359, 4137837; 341145, 

4137615; 340970, 4137298; 340891, 

4137147; 340669, 4137012; 340312, 

4136980; 340208, 4137052; 340034, 

4137020; 339780, 4136695; 339709, 

4136520; 339439, 4136385; 339320, 

4136251; 339233, 4136028; 339130, 

4135830; 338519, 4135830; 338419, 

4135487; 338438, 4135279; 338210, 

4134912; 337943, 4134872; 337397, 

4134803; 337199, 4134803; 336852, 

4134912; 336495, 4135408; 336247, 

4135765; 336059, 4135903; 335632, 

4135933; 335236, 4135775; 334898, 

4135537; 334571, 4135338; 334125, 

4135338; 334095, 4135884; 334482, 

4136568; 334700, 4136845; 335216, 

4137242; 335751, 4137718; 336019, 

4137956; 336039, 4138174; 335771, 

4138313; 335513, 4138571; 335513, 

4138948; 335920, 4139245; 336168, 

4139444; 336148, 4139672; 335930, 

4139959; 335617, 4140653; 335548, 

4141228; 335310, 4141357; 334953, 

4141942; 334943, 4142200; 335379, 

4142399; 335766, 4142389; 336113, 

4142200; 336480, 4141417; 336599, 

4141109; 336986, 4140752; 337105, 

4140455; 337630, 4140197; 337948, 

4139473; 338453, 4138601; 338543, 

4138214; 338473, 4137817; 338275, 

4137550; 338334, 4137391; 338632, 

4137341; 338860, 4137490; 338900, 

4137797; 339128, 4137847; 339266, 

4137470; 339257, 4137321; 339623, 

4137202; 339772, 4137510; 339723, 

4138035; 340060, 4138333; 340357, 

4138402; 340972, 4138690; 340947, 

4139037; 340957, 4139265; 341265, 

4139265; 341384, 4139106; 341731, 

4139136; 341701, 4139354; 341463, 

4139533; 341304, 4139701; 340917, 

4139850; 340818, 4140138; 340412, 

4140534; 339807, 4141040; 339252, 

4141347; 338795, 4141615; 338627, 

4141744; 338141, 4141734; 337943, 

4141595; 337665, 4141675; 337239, 

4141942; 337040, 4142190; 336792, 

4142488; 336505, 4142875; 336321, 

4143360; 337382, 4143261; 337521, 

4143668; 337680, 4143797; 337729, 

4143559; 337710, 4143033; 337789, 

4142835; 338086, 4142666; 338205, 

4142765; 338265, 4142944; 338047, 

4143142; 338186, 4143390; 338652, 

4142894; 338622, 4142468; 339465, 

4142200; 339485, 4142537; 339108, 

4142706; 339009, 4142984; 339157, 

4143370; 339465, 4143549; 339812, 

4143767; 340109, 4143965; 340228, 

4144302; 340496, 4144372; 340585, 

4143777; 340109, 4142706; 340208, 

4142289; 340288, 4142180; 340278, 

4141714; 340456, 4141516; 340655, 

4141893; 340556, 4142280; 340922, 

4142736; 341041, 4143112; 341022, 

4143906; 340942, 4144441; 340873, 

4144937; 341190, 4145334; 341458, 

4145235; 341557, 4145512; 341666, 

4145532; 341924, 4145264; 341825, 

4144620; 341914, 4144015; 341626, 

4143479; 341825, 4143132; 341329, 

4142557; 341428, 4141893; 341200, 

4141675; 340962, 4141199; 340903, 

4141060; 341041, 4141040; 341170, 

4141060; 341141, 4140852; 341210, 

4140643; 341398, 4140663; 341537, 

4140514; 341696, 4140842; 341874, 

4141179; 342038, 4141694; 342058, 

4142349; 342127, 4143093; 342445, 

4143291; 342306, 4143856; 342564, 

4144511; 342752, 4144481; 343218, 

4144025; 343287, 4143757; 343059, 

4143499; 342772, 4142974; 342802, 

4142835; 342970, 4142815; 343010, 

4142448; 342980, 4142200; 342990, 

4142042; 343238, 4141833; 343783, 

4142101; 343922, 4142309; 344130, 

4142458; 344606, 4142428; 344557, 

4142151; 344408, 4141764; 344180, 

4141347; 344041, 4140941; 344081, 

4140554; 344497, 4140157; 344596, 

4139721; 344626, 4139394; 344715, 

4139245; 344973, 4139374; 344943, 

4140058; 345171, 4140157; 345598, 

4140386; 345727, 4140673; 345697, 

4141080; 345568, 4141417; 345647, 

4142002; 345717, 4142607; 345955, 

4142785; 346133, 4143073; 346342, 

4143698; 346550, 4144243; 346639, 

4144808; 346847, 4145235; 347001, 

4145631; 347298, 4145929; 347447, 

4145879; 347586, 4145562; 347546, 

4145135; 347556, 4144699; 347725, 

4144174; 347715, 4143846; 347586, 

4143539; 347527, 4143172; 347874, 

4143598; 348211, 4143817; 348201, 

4144084; 348449, 4144382; 348548, 

4144419; 348838, 4144480; 348970, 

4144480; 349110, 4144489; 349189, 

4144489; 349295, 4144480; 349374, 

4144498; 349461, 4144489; 349549, 

4144489; 349602, 4144471; 349698, 

4144436; 349795, 4144445; 349979, 

4144471; 350190, 4144550; 350321, 

4144594; 350453, 4144673; 350452, 

4144878; 350432, 4145562; 350442, 

4146236; 350551, 4146672; 350501, 

4147158; 350670, 4147436; 350878, 

4147664; 350591, 4148061; 350283, 

4148229; 350353, 4148933; 350402, 

4149459; 350348, 4150371; 350606, 

4150788; 350992, 4151016; returning to 

351676, 4150867; excluding land 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40989 

bounded by 352666, 4139452; 352330, 

4139197; 352261, 4139018; 352280, 

4139004; 352300, 4138988; 352332, 

4138964; 352634, 4139235; 352732, 

4139417; 352718, 4139424; 352718, 

4139425; 352694, 4139437; 352694, 

4139437; 352690, 4139439; 352687, 

4139441; 352687, 4139441; returning to 

352666, 4139452; excluding land 

bounded by 350254, 4136280; 350216, 

4136187; 350216, 4136187; 350178, 

4136094; 350363, 4136018; 350402, 

4136111; 350402, 4136111; 350440, 

4136204; 350478, 4136296; 350305, 

4136368; 350300, 4136361; 350295, 

4136351; 350293, 4136348; 350287, 

4136341; 350283, 4136338; 350280, 

4136335; 350276, 4136333; 350276, 

4136333; returning to 350254, 4136280; 

excluding land bounded by 349527, 

4136002; 349500, 4136201; 349450, 

4136194; 349408, 4136200; 349404, 

4136201; 349391, 4136206; 349321, 

4136238; 349317, 4136223; 349126, 

4136278; 349099, 4136181; 349045, 

4135990; 349139, 4135963; 349138, 

4135962; 349235, 4135934; 349212, 

4135851; 349308, 4135823; 349406, 

4135799; 349478, 4135988; 349478, 

4135995; returning to 349527, 4136002. 

(ii) Note: Map of Unit 4 (Wheeler 

Ridge) for Sierra Nevada bighorn sheep 

(Map 5) follows: 

BILLING CODE 4310–55–P 


rwilkins on PROD1PC63 with PROPOSALS2
40990 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

(10) Unit 5 (Taboose Creek); Fresno 

and Inyo Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Coyote Flat, North Palisade, 

Split Mountain, Fish Springs, Mount 

Pinchot, and Aberdeen. Land bounded 

by the following UTM zone 11 NAD83 

coordinates (E, N): 376756, 4109414; 

376837, 4109413; 376838, 4109467; 

376865, 4109466; 377166, 4109426; 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.005</GPH>
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40991 

377588, 4109383; 377647, 4109351; 

377738, 4109348; 377949, 4109341; 

378189, 4109273; 378307, 4109179; 

378423, 4109025; 378417, 4108844; 

378288, 4108608; 378131, 4108402; 

377943, 4108197; 377878, 4108048; 

377872, 4107868; 377869, 4107777; 

378016, 4107622; 378227, 4107615; 

378408, 4107610; 378649, 4107602; 

378949, 4107502; 378970, 4107230; 

378903, 4107022; 378751, 4106996; 

378625, 4106820; 378498, 4106643; 

378218, 4106381; 378030, 4106176; 

377814, 4106032; 377809, 4105881; 

377958, 4105817; 378200, 4105809; 

378319, 4105745; 378467, 4105650; 

378524, 4105558; 378552, 4105466; 

378547, 4105316; 378483, 4105198; 

378299, 4105113; 378206, 4105056; 

378232, 4104904; 378410, 4104808; 

378404, 4104628; 378341, 4104539; 

378248, 4104452; 378126, 4104426; 

378006, 4104459; 377826, 4104495; 

377612, 4104412; 377461, 4104416; 

377400, 4104418; 377007, 4104401; 

376822, 4104286; 376728, 4104169; 

376786, 4104106; 377240, 4104122; 

377424, 4104207; 377787, 4104225; 

378148, 4104184; 378360, 4104177; 

378631, 4104169; 378992, 4104097; 

379233, 4104089; 379320, 4103966; 

379283, 4103756; 378943, 4103526; 

378788, 4103380; 378511, 4103239; 

378355, 4103063; 378316, 4102793; 

378220, 4102615; 378126, 4102528; 

377794, 4102538; 377432, 4102550; 

377312, 4102584; 377221, 4102587; 

376947, 4102505; 376851, 4102327; 

376876, 4102176; 376992, 4102021; 

377135, 4101776; 377222, 4101653; 

377248, 4101531; 377278, 4101500; 

377365, 4101407; 377570, 4101190; 

377685, 4101005; 377766, 4100702; 

377727, 4100432; 377722, 4100251; 

377713, 4099980; 377856, 4099735; 

377972, 4099581; 378422, 4099476; 

378659, 4099318; 378563, 4099140; 

378468, 4099023; 378282, 4098848; 

378125, 4098672; 377937, 4098467; 

377751, 4098322; 377623, 4098085; 

377528, 4097938; 377462, 4097789; 

377306, 4097614; 377026, 4097381; 

376873, 4097296; 376869, 4097175; 

377043, 4096959; 377279, 4096771; 

377430, 4096766; 377522, 4096793; 

377673, 4096819; 377887, 4096872; 

378039, 4096898; 378249, 4096861; 

378578, 4096760; 378698, 4096726; 

378967, 4096627; 379089, 4096684; 

379571, 4096608; 379781, 4096571; 

380053, 4096563; 380202, 4096498; 

380257, 4096346; 380221, 4096166; 

380069, 4096111; 379856, 4096087; 

379613, 4096035; 379459, 4095949; 

379305, 4095864; 379182, 4095777; 

378998, 4095692; 378874, 4095606; 

378844, 4095607; 378751, 4095550; 

378627, 4095433; 378532, 4095316; 

378350, 4095291; 378168, 4095267; 

377956, 4095243; 377831, 4095127; 

377766, 4094978; 377722, 4095010; 

377686, 4094830; 377563, 4094744; 

377407, 4094598; 377257, 4094633; 

377106, 4094638; 376865, 4094675; 

376779, 4094799; 376630, 4094894; 

376207, 4094877; 375932, 4094795; 

375628, 4094714; 375475, 4094659; 

374990, 4094614; 374778, 4094621; 

374629, 4094656; 374445, 4094571; 

374327, 4094665; 374149, 4094791; 

374001, 4094886; 373852, 4094951; 

373761, 4094924; 373728, 4094835; 

373783, 4094682; 373748, 4094533; 

373656, 4094475; 373477, 4094541; 

373359, 4094635; 373150, 4094732; 

373059, 4094705; 372935, 4094619; 

372930, 4094468; 373017, 4094345; 

372984, 4094256; 372949, 4094106; 

372732, 4093932; 372517, 4093818; 

372366, 4093823; 372188, 4093919; 

372167, 4094221; 372117, 4094554; 

372151, 4094673; 372216, 4094822; 

372313, 4095030; 372682, 4095229; 

372838, 4095375; 373206, 4095544; 

373388, 4095568; 373626, 4095440; 

373747, 4095436; 373900, 4095522; 

373933, 4095581; 373906, 4095703; 

373849, 4095795; 373820, 4095856; 

373676, 4096071; 373527, 4096136; 

373351, 4096292; 373142, 4096389; 

372962, 4096425; 372841, 4096429; 

372626, 4096315; 372446, 4096351; 

372387, 4096383; 372332, 4096566; 

372306, 4096717; 372068, 4096815; 

371887, 4096821; 371648, 4096919; 

371440, 4097015; 371287, 4096960; 

371191, 4096812; 371041, 4096847; 

371079, 4097087; 371235, 4097233; 

371298, 4097321; 371571, 4097343; 

371661, 4097340; 371963, 4097330; 

372056, 4097388; 372059, 4097478; 

372062, 4097598; 372068, 4097779; 

372131, 4097867; 372278, 4097742; 

372485, 4097585; 372753, 4097456; 

372962, 4097389; 373146, 4097474; 

373153, 4097684; 373065, 4097777; 

372952, 4098022; 372899, 4098265; 

373024, 4098381; 373145, 4098377; 

373387, 4098400; 373391, 4098520; 

373396, 4098671; 373283, 4098915; 

373167, 4099070; 373018, 4099135; 

372559, 4098968; 372437, 4098942; 

372349, 4099005; 372291, 4099097; 

372174, 4099221; 372026, 4099316; 

371875, 4099321; 371785, 4099324; 

371695, 4099357; 371515, 4099393; 

371363, 4099368; 371240, 4099311; 

371118, 4099285; 370871, 4099112; 

370782, 4099145; 370755, 4099266; 

370452, 4099246; 370267, 4099131; 

370291, 4098919; 370103, 4098714; 

369949, 4098629; 369733, 4098485; 

369636, 4098277; 369478, 4098071; 

369421, 4098164; 369397, 4098375; 

369247, 4098410; 368883, 4098361; 

368578, 4098251; 368421, 4098075; 

368236, 4097960; 368408, 4097683; 

368555, 4097528; 368516, 4097258; 

368782, 4097069; 368900, 4096975; 

368983, 4096732; 369070, 4096608; 

369216, 4096453; 369333, 4096329; 

369664, 4096288; 369960, 4096098; 

370169, 4096031; 370227, 4095939; 

370311, 4095726; 370395, 4095512; 

370478, 4095268; 370471, 4095058; 

370317, 4094972; 370228, 4095005; 

370143, 4095189; 370086, 4095311; 

370033, 4095554; 369852, 4095559; 

369759, 4095472; 369754, 4095321; 

369931, 4095195; 370052, 4095192; 

369896, 4095046; 369683, 4094992; 

369532, 4094997; 369377, 4094851; 

369310, 4094673; 369183, 4094466; 

369211, 4094405; 369359, 4094310; 

369449, 4094277; 369688, 4094179; 

370050, 4094167; 370288, 4094039; 

370281, 4093829; 370067, 4093745; 

369857, 4093812; 369530, 4093973; 

369319, 4093980; 369109, 4094046; 

368894, 4093933; 368830, 4093814; 

368917, 4093691; 369065, 4093596; 

369099, 4093715; 369248, 4093650; 

369486, 4093522; 369694, 4093425; 

369843, 4093361; 369959, 4093206; 

369715, 4093124; 369443, 4093132; 

369292, 4093137; 369229, 4093049; 

369285, 4092926; 369737, 4092882; 

370010, 4092903; 370348, 4093074; 

370470, 4093130; 370718, 4093303; 

370874, 4093479; 370969, 4093596; 

371087, 4093502; 371205, 4093408; 

371198, 4093197; 371193, 4093047; 

371183, 4092716; 370931, 4092392; 

370682, 4092159; 370465, 4092015; 

370342, 4091929; 370126, 4091785; 

369852, 4091734; 369636, 4091590; 

369421, 4091476; 369237, 4091391; 

368843, 4091344; 368665, 4091470; 

368548, 4091594; 368360, 4091841; 

368334, 4091992; 368373, 4092262; 

368409, 4092442; 368479, 4092741; 

368637, 4092977; 368673, 4093156; 

368709, 4093336; 368531, 4093432; 

368410, 4093436; 368414, 4093556; 

368453, 4093826; 368457, 4093977; 

368495, 4094216; 368565, 4094515; 

368542, 4094727; 368574, 4094786; 

368698, 4094903; 368789, 4094900; 

368883, 4095018; 368919, 4095197; 

368924, 4095348; 368868, 4095500; 

368715, 4095445; 368595, 4095448; 

368472, 4095392; 368227, 4095279; 

368044, 4095225; 368078, 4095344; 

368205, 4095551; 368331, 4095698; 

368364, 4095787; 368307, 4095909; 

368194, 4096154; 368168, 4096305; 

368052, 4096430; 367957, 4096312; 

367742, 4096198; 367646, 4096021; 

367429, 4095847; 367213, 4095703; 

367067, 4095888; 367194, 4096065; 

367350, 4096211; 367413, 4096299; 

367418, 4096450; 367606, 4096685; 

367759, 4096740; 367882, 4096796; 

368006, 4096913; 368070, 4097001; 


rwilkins on PROD1PC63 with PROPOSALS2
40992 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

368013, 4097124; 367892, 4097127; 

367710, 4097103; 367467, 4097050; 

367410, 4097173; 367536, 4097319; 

367660, 4097436; 367724, 4097524; 

367728, 4097675; 367734, 4097855; 

367741, 4098066; 367655, 4098219; 

367475, 4098255; 367205, 4098324; 

366941, 4098573; 366794, 4098698; 

366678, 4098853; 366739, 4098881; 

366947, 4098784; 367216, 4098685; 

367456, 4098617; 367575, 4098553; 

367756, 4098548; 367879, 4098604; 

368093, 4098688; 368185, 4098745; 

368340, 4098860; 368404, 4098979; 

368408, 4099099; 368413, 4099250; 

368295, 4099344; 368022, 4099322; 

367900, 4099296; 367718, 4099272; 

367507, 4099278; 367328, 4099344; 

367241, 4099468; 367424, 4099522; 

367668, 4099605; 367791, 4099661; 

367824, 4099750; 367735, 4099813; 

367676, 4099845; 367556, 4099879; 

367347, 4099946; 367135, 4099923; 

367103, 4099894; 366918, 4099779; 

366800, 4099843; 366619, 4099879; 

366379, 4099916; 366200, 4099982; 

366106, 4099895; 365983, 4099809; 

366017, 4099928; 366051, 4100077; 

366055, 4100198; 365817, 4100296; 

365759, 4100388; 365764, 4100538; 

365707, 4100661; 365468, 4100728; 

365289, 4100825; 365262, 4100916; 

365238, 4101097; 365242, 4101248; 

365305, 4101306; 365338, 4101395; 

365461, 4101482; 365583, 4101508; 

365707, 4101595; 365977, 4101556; 

366008, 4101555; 366064, 4101433; 

366149, 4101249; 366112, 4101040; 

366107, 4100889; 366194, 4100766; 

366281, 4100643; 366337, 4100520; 

366394, 4100398; 366634, 4100330; 

366906, 4100352; 367057, 4100347; 

367270, 4100370; 367542, 4100392; 

367636, 4100479; 367759, 4100566; 

367793, 4100685; 367768, 4100837; 

367771, 4100927; 367534, 4101085; 

367235, 4101185; 367092, 4101430; 

367124, 4101490; 367185, 4101518; 

367366, 4101512; 367606, 4101444; 

367787, 4101438; 367910, 4101525; 

368004, 4101612; 367978, 4101764; 

367950, 4101825; 367743, 4101952; 

367539, 4102199; 367574, 4102349; 

367786, 4102372; 367993, 4102215; 

368261, 4102086; 368496, 4101868; 

368612, 4101714; 368728, 4101559; 

368932, 4101342; 369076, 4101127; 

369126, 4100794; 369116, 4100463; 

368958, 4100257; 368834, 4100140; 

368738, 4099993; 368643, 4099845; 

368729, 4099692; 368852, 4099748; 

369094, 4099771; 369240, 4099615; 

369508, 4099486; 369412, 4099309; 

369169, 4099286; 368986, 4099232; 

368953, 4099142; 369102, 4099077; 

369344, 4099070; 369771, 4099207; 

369894, 4099263; 369926, 4099323; 

370111, 4099437; 370208, 4099645; 

370427, 4099879; 370519, 4099906; 

370610, 4099934; 370672, 4099992; 

370707, 4100141; 370743, 4100321; 

370868, 4100437; 371083, 4100551; 

371115, 4100610; 371028, 4100734; 

370728, 4100803; 370514, 4100720; 

370122, 4100732; 370126, 4100883; 

370163, 4101092; 370288, 4101209; 

370533, 4101322; 370744, 4101285; 

370922, 4101189; 371195, 4101240; 

371378, 4101265; 371409, 4101294; 

371412, 4101414; 371358, 4101597; 

371421, 4101685; 371541, 4101651; 

371686, 4101466; 371830, 4101251; 

371977, 4101125; 372163, 4101270; 

372198, 4101420; 372147, 4101692; 

372058, 4101755; 371972, 4101909; 

372009, 4102119; 372133, 4102235; 

372138, 4102386; 372050, 4102449; 

371932, 4102543; 371809, 4102486; 

371747, 4102428; 371629, 4102522; 

371477, 4102497; 371327, 4102532; 

371331, 4102652; 371182, 4102717; 

371001, 4102723; 370879, 4102696; 

370699, 4102732; 370400, 4102832; 

370157, 4102810; 370092, 4102661; 

370179, 4102538; 370358, 4102472; 

370384, 4102351; 370381, 4102230; 

370284, 4102052; 370043, 4102060; 

369801, 4102068; 369442, 4102169; 

369050, 4102212; 368692, 4102344; 

368607, 4102527; 368855, 4102730; 

369133, 4102902; 369262, 4103169; 

369148, 4103384; 369067, 4103687; 

369165, 4103925; 369441, 4104037; 

369619, 4103941; 369732, 4103697; 

369879, 4103571; 370210, 4103531; 

370366, 4103677; 370400, 4103796; 

370434, 4103915; 370500, 4104094; 

370416, 4104308; 370421, 4104458; 

370544, 4104545; 370549, 4104695; 

370497, 4104968; 370506, 4105239; 

370688, 4105263; 370743, 4105080; 

370857, 4104866; 370970, 4104621; 

370933, 4104412; 370928, 4104261; 

370924, 4104111; 370982, 4104049; 

371073, 4104046; 371227, 4104161; 

371263, 4104341; 371360, 4104519; 

371490, 4104816; 371501, 4105177; 

371446, 4105329; 371364, 4105603; 

371340, 4105815; 371315, 4105966; 

371229, 4106119; 371082, 4106245; 

371001, 4106548; 370978, 4106790; 

370984, 4106971; 370989, 4107121; 

371055, 4107300; 371210, 4107415; 

371395, 4107530; 371668, 4107582; 

371718, 4107249; 371740, 4106977; 

371758, 4106615; 371873, 4106430; 

372109, 4106242; 372322, 4106266; 

372390, 4106505; 372276, 4106749; 

372192, 4106963; 371960, 4107271; 

371880, 4107605; 371891, 4107936; 

371868, 4108178; 371847, 4108450; 

371856, 4108751; 371860, 4108871; 

371957, 4109079; 372145, 4109284; 

372207, 4109342; 372301, 4109429; 

372518, 4109603; 372702, 4109688; 

373006, 4109738; 373158, 4109764; 

373430, 4109785; 373856, 4109862; 

374282, 4109969; 374583, 4109930; 

375005, 4109886; 375212, 4109759; 

375603, 4109686; 375630, 4109681; 

375627, 4109522; 376032, 4109425; 

376434, 4109419; 376474, 4109418; 

376515, 4109417; 376595, 4109416; 

376635, 4109416; 376676, 4109415; 

376716, 4109414; returning to 376756, 

4109414. 

(ii) Note: Map of Unit 5 (Taboose 

Creek) for Sierra Nevada bighorn sheep 

(Map 6) follows: 

BILLING CODE 4310–55–P 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40993 

(11) Unit 6 (Sawmill Canyon); Fresno 

and Inyo Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Mount Pinchot, Aberdeen, 

Mount Clarence King and Kearsarge 

Peak. Land bounded by the following 

UTM zone 11 NAD83 coordinates (E, N): 

380512, 4083384; 380416, 4083207; 

380321, 4083059; 380256, 4082940; 

380133, 4082854; 379980, 4082799; 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.006</GPH>
40994 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

379859, 4082802; 379709, 4082837; 

379527, 4082813; 379374, 4082757; 

379265, 4082696; 379160, 4082674; 

379038, 4082647; 378867, 4082568; 

378795, 4082595; 378516, 4082363; 

378327, 4082128; 378166, 4081831; 

378065, 4081503; 377933, 4081146; 

377834, 4080878; 377738, 4080700; 

377610, 4080493; 377442, 4080457; 

377339, 4080502; 377219, 4080536; 

376984, 4080754; 376746, 4080882; 

376628, 4080946; 376239, 4081079; 

376030, 4081176; 375641, 4081278; 

375519, 4081252; 375032, 4081147; 

374788, 4081064; 374635, 4081009; 

374295, 4080749; 373983, 4080457; 

374028, 4080221; 373860, 4080371; 

373684, 4080557; 373540, 4080772; 

373455, 4080956; 373288, 4081413; 

373050, 4081541; 372934, 4081695; 

372606, 4081826; 372340, 4082015; 

372244, 4082045; 372121, 4082062; 

371940, 4082079; 371706, 4082035; 

371156, 4081842; 370857, 4081941; 

370503, 4082224; 370199, 4082263; 

369698, 4082060; 368468, 4081749; 

367602, 4081695; 367089, 4081384; 

366778, 4081235; 366399, 4081303; 

366264, 4081871; 366778, 4082344; 

367143, 4082763; 367427, 4083358; 

367548, 4083750; 367616, 4084237; 

367778, 4084629; 367995, 4084724; 

368279, 4084669; 368495, 4084764; 

368738, 4084940; 368968, 4085237; 

369198, 4085400; 369536, 4085481; 

369769, 4085771; 369933, 4086158; 

370188, 4086602; 370528, 4086832; 

370742, 4086916; 370782, 4087216; 

370816, 4087335; 370850, 4087454; 

370978, 4087691; 371016, 4087931; 

371050, 4088051; 371089, 4088321; 

371394, 4088401; 371664, 4088363; 

371848, 4088447; 371973, 4088564; 

372034, 4088592; 372340, 4088703; 

372640, 4088633; 372970, 4088562; 

373118, 4088467; 373447, 4088367; 

373629, 4088361; 373659, 4088360; 

373750, 4088387; 373842, 4088414; 

373968, 4088591; 373971, 4088682; 

374007, 4088861; 374100, 4088949; 

374253, 4089004; 374464, 4088967; 

374645, 4088962; 374768, 4089048; 

374801, 4089137; 374776, 4089289; 

374686, 4089322; 374443, 4089269; 

374323, 4089303; 374265, 4089365; 

374147, 4089459; 374089, 4089551; 

374033, 4089674; 374071, 4089913; 

374164, 4090001; 374256, 4090058; 

374379, 4090115; 374439, 4090113; 

374535, 4090260; 374479, 4090413; 

374486, 4090623; 374585, 4090891; 

374648, 4090980; 374742, 4091067; 

374806, 4091186; 374869, 4091274; 

374873, 4091394; 374944, 4091724; 

375104, 4092020; 375353, 4092253; 

375506, 4092308; 375784, 4092480; 

376026, 4092503; 376146, 4092469; 

376298, 4092494; 376391, 4092582; 

376454, 4092670; 376548, 4092757; 

376700, 4092783; 376851, 4092778; 

377125, 4092860; 377249, 4092946; 

377375, 4093123; 377410, 4093272; 

377564, 4093358; 377719, 4093474; 

378147, 4093641; 378302, 4093756; 

378486, 4093841; 378704, 4094045; 

378951, 4094218; 379315, 4094267; 

379468, 4094322; 379649, 4094316; 

379894, 4094399; 380136, 4094421; 

380289, 4094477; 380473, 4094561; 

380690, 4094735; 380873, 4094790; 

381053, 4094754; 381294, 4094716; 

381411, 4094592; 381403, 4094351; 

381394, 4094081; 381389, 4093900; 

381322, 4093691; 381288, 4093572; 

381041, 4093429; 380797, 4093346; 

380552, 4093234; 380575, 4093022; 

380630, 4092839; 380441, 4092604; 

380495, 4092392; 380611, 4092238; 

380818, 4092111; 380998, 4092045; 

381116, 4091981; 381142, 4091829; 

381107, 4091680; 380983, 4091593; 

380798, 4091479; 380494, 4091398; 

380431, 4091340; 380366, 4091191; 

380361, 4091041; 380386, 4090859; 

380532, 4090704; 380796, 4090454; 

381061, 4090235; 381269, 4090108; 

381504, 4089920; 381771, 4089761; 

381913, 4089455; 381966, 4089213; 

381956, 4088912; 381975, 4088550; 

382088, 4088305; 382178, 4088272; 

382237, 4088240; 382297, 4088238; 

382537, 4088170; 382775, 4088042; 

383039, 4087793; 383123, 4087580; 

383323, 4087242; 383434, 4086907; 

383638, 4086690; 383908, 4086621; 

384089, 4086615; 384330, 4086578; 

384450, 4086544; 384718, 4086445; 

384987, 4086346; 385137, 4086311; 

385317, 4086245; 385466, 4086180; 

385554, 4086117; 385552, 4086057; 

385399, 4085971; 385278, 4085975; 

385186, 4085948; 385065, 4085922; 

384944, 4085926; 384792, 4085900; 

384672, 4085934; 384490, 4085910; 

384369, 4085914; 384277, 4085856; 

384185, 4085829; 384094, 4085802; 

383696, 4085634; 383574, 4085607; 

383452, 4085581; 383330, 4085525; 

383178, 4085499; 383086, 4085472; 

382963, 4085386; 382749, 4085332; 

382537, 4085309; 382385, 4085283; 

382231, 4085198; 381960, 4085206; 

381842, 4085300; 381721, 4085304; 

381628, 4085217; 381595, 4085127; 

381529, 4084949; 381466, 4084890; 

381429, 4084681; 381331, 4084443; 

381176, 4084297; 381080, 4084150; 

381016, 4084031; 380956, 4084033; 

380773, 4083979; 380619, 4083893; 

380582, 4083683; 380513, 4083414; 

returning to 380512, 4083384. 

(ii) Note: Map of Unit 6 (Sawmill 

Canyon) for Sierra Nevada bighorn 

sheep (Map 7) follows: 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40995 

(12) Unit 7 (Mount Baxter); Fresno 

and Inyo Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Aberdeen, Mount Clarence 

King and Kearsarge Peak. Land bounded 

by the following UTM zone 11 NAD83 

coordinates (E, N): 374028, 4080221; 

373983, 4080457; 374295, 4080749; 

374635, 4081009; 374788, 4081064; 

375032, 4081147; 375519, 4081252; 

375641, 4081278; 376030, 4081176; 

376239, 4081079; 376628, 4080946; 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.007</GPH>
40996 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

376746, 4080882; 376984, 4080754; 

377219, 4080536; 377339, 4080502; 

377442, 4080457; 377610, 4080493; 

377738, 4080700; 377834, 4080878; 

377933, 4081146; 378065, 4081503; 

378166, 4081831; 378327, 4082128; 

378516, 4082363; 378795, 4082595; 

378867, 4082568; 379038, 4082647; 

379160, 4082674; 379265, 4082696; 

379374, 4082757; 379527, 4082813; 

379709, 4082837; 379859, 4082802; 

379980, 4082799; 380133, 4082854; 

380256, 4082940; 380321, 4083059; 

380416, 4083207; 380512, 4083384; 

380727, 4083498; 380880, 4083553; 

381125, 4083666; 381307, 4083660; 

381760, 4083676; 382157, 4083814; 

382374, 4083988; 382561, 4084163; 

382902, 4084423; 382969, 4084632; 

383097, 4084869; 383261, 4085256; 

383416, 4085401; 383537, 4085398; 

383692, 4085513; 383967, 4085625; 

384119, 4085650; 384182, 4085709; 

384213, 4085738; 384244, 4085767; 

384367, 4085853; 384670, 4085874; 

384852, 4085898; 385092, 4085830; 

385213, 4085827; 385396, 4085881; 

385515, 4085817; 385631, 4085663; 

385715, 4085479; 385770, 4085297; 

385765, 4085147; 385729, 4084967; 

385662, 4084758; 385564, 4084520; 

385498, 4084342; 385402, 4084164; 

385277, 4084047; 385184, 4083960; 

385117, 4083751; 385113, 4083631; 

385078, 4083481; 385073, 4083331; 

385069, 4083210; 385124, 4083028; 

385088, 4082848; 385084, 4082728; 

385114, 4082697; 385234, 4082693; 

385384, 4082658; 385383, 4082598; 

385318, 4082480; 385255, 4082391; 

385162, 4082304; 385128, 4082184; 

385124, 4082064; 385023, 4081736; 

384960, 4081647; 384898, 4081619; 

384777, 4081593; 384649, 4081386; 

384581, 4081147; 384392, 4080912; 

384386, 4080702; 384320, 4080523; 

384199, 4080527; 384108, 4080530; 

383867, 4080537; 383745, 4080511; 

383682, 4080423; 383584, 4080185; 

383519, 4080036; 383422, 4079858; 

383385, 4079619; 383318, 4079410; 

383126, 4079084; 382787, 4078884; 

382573, 4078801; 382268, 4078720; 

382054, 4078636; 381899, 4078491; 

381864, 4078341; 381857, 4078130; 

382123, 4077941; 382299, 4077785; 

382598, 4077685; 382685, 4077562; 

382772, 4077439; 382798, 4077317; 

382762, 4077138; 382693, 4076869; 

382628, 4076720; 382592, 4076541; 

382467, 4076394; 382431, 4076214; 

382422, 4075944; 382420, 4075853; 

382415, 4075703; 382411, 4075582; 

382376, 4075433; 382219, 4075257; 

382127, 4075200; 382006, 4075204; 

381917, 4075237; 381828, 4075300; 

381588, 4075367; 381498, 4075370; 

381257, 4075408; 380982, 4075296; 

380831, 4075301; 380799, 4075242; 

380856, 4075149; 381004, 4075054; 

381064, 4075022; 381215, 4075018; 

381455, 4074980; 381605, 4074945; 

381725, 4074911; 381844, 4074847; 

382054, 4074810; 382239, 4074925; 

382392, 4074981; 382544, 4075006; 

382632, 4074913; 382593, 4074643; 

382436, 4074467; 382281, 4074351; 

382129, 4074296; 382216, 4074203; 

382393, 4074047; 382659, 4073858; 

382774, 4073673; 382858, 4073460; 

382822, 4073280; 382787, 4073131; 

382753, 4073011; 382778, 4072860; 

382835, 4072737; 382895, 4072736; 

383014, 4072672; 383010, 4072551; 

382977, 4072462; 382885, 4072404; 

382761, 4072318; 382640, 4072322; 

382489, 4072327; 382488, 4072266; 

382575, 4072173; 382694, 4072109; 

382968, 4072161; 382965, 4072071; 

382933, 4072011; 382902, 4071982; 

382839, 4071924; 382810, 4071955; 

382750, 4071957; 382686, 4071869; 

382565, 4071842; 382502, 4071754; 

382409, 4071696; 382314, 4071549; 

382310, 4071428; 382273, 4071219; 

382268, 4071068; 382264, 4070918; 

382141, 4070861; 381900, 4070869; 

381691, 4070966; 381361, 4071037; 

381238, 4070980; 380965, 4070929; 

380812, 4070873; 380627, 4070759; 

380476, 4070763; 380386, 4070796; 

380329, 4070888; 380183, 4071044; 

380004, 4071140; 379946, 4071202; 

379823, 4071145; 379698, 4070999; 

379600, 4070761; 379445, 4070645; 

379050, 4070567; 378715, 4070487; 

378534, 4070493; 378263, 4070532; 

378142, 4070536; 377869, 4070514; 

377753, 4070668; 377635, 4070762; 

377516, 4070796; 377272, 4070744; 

377151, 4070717; 376969, 4070723; 

376700, 4070792; 376551, 4070857; 

376068, 4070872; 375768, 4070942; 

375405, 4070953; 375071, 4070903; 

374892, 4070969; 374774, 4071063; 

374477, 4071223; 374114, 4071205; 

373869, 4071092; 373301, 4071291; 

373065, 4071479; 372945, 4071628; 

373168, 4071877; 373380, 4072302; 

373305, 4073027; 373293, 4073252; 

373093, 4073577; 372943, 4073790; 

372693, 4073852; 372480, 4073752; 

372330, 4073514; 372255, 4073289; 

371993, 4073327; 371693, 4073689; 

371543, 4074102; 371843, 4074765; 

372030, 4075127; 372243, 4075427; 

372205, 4075727; 371980, 4075927; 

371824, 4076302; 371812, 4077578; 

371661, 4078453; 371486, 4078640; 

371024, 4078703; 370743, 4078628; 

370443, 4078490; 370226, 4078314; 

370197, 4078295; 370023, 4078503; 

370037, 4078955; 369931, 4079410; 

369948, 4079952; 370023, 4080401; 

370216, 4080787; 370463, 4080930; 

370861, 4081098; 371163, 4081088; 

371407, 4081171; 371836, 4081368; 

372051, 4081482; 372322, 4081443; 

372676, 4081161; 372814, 4080765; 

372865, 4080462; 373090, 4079913; 

373259, 4079546; 373580, 4079174; 

373739, 4079410; 373866, 4079617; 

374025, 4079883; 374061, 4080063; 

374035, 4080184; returning to 374028, 

4080221. 

(ii) Note: Map of Unit 7 (Mount 

Baxter) for Sierra Nevada bighorn sheep 

(Map 8) follows: 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40997 

(13) Unit 8 (Mount Williamson); Inyo 

and Tulare Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangle Kearsarge Peak, Mount 

Brewer, Mount Williamson, Manzanar, 

Mount Whitney and Mount Langley. 

Land bounded by the following UTM 

zone 11 NAD83 coordinates (E, N): 

384282, 4069770; 384492, 4069703; 

384612, 4069699; 384763, 4069694; 

384974, 4069658; 385152, 4069562; 

385148, 4069441; 384994, 4069356; 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.008</GPH>
40998 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

384934, 4069358; 384840, 4069270; 

384627, 4069217; 384623, 4069096; 

384617, 4068886; 384580, 4068676; 

384570, 4068345; 384463, 4067836; 

384390, 4067447; 384376, 4066995; 

384334, 4066635; 384385, 4066332; 

384439, 4066120; 384495, 4065998; 

384611, 4065813; 384637, 4065692; 

384753, 4065538; 384810, 4065445; 

384959, 4065380; 385077, 4065286; 

384980, 4065079; 384910, 4064780; 

384839, 4064450; 384862, 4064209; 

384918, 4064056; 385100, 4064081; 

385438, 4064281; 385590, 4064306; 

385804, 4064360; 386017, 4064413; 

386229, 4064437; 386532, 4064457; 

386649, 4064333; 386769, 4064299; 

386886, 4064205; 387004, 4064111; 

387091, 4063988; 387176, 4063804; 

387171, 4063654; 387194, 4063412; 

387310, 4063258; 387397, 4063135; 

387484, 4063042; 387660, 4062855; 

387746, 4062702; 387828, 4062458; 

387887, 4062396; 387883, 4062276; 

387817, 4062097; 387843, 4061976; 

387870, 4061855; 387898, 4061794; 

387989, 4061791; 388140, 4061786; 

388260, 4061782; 388319, 4061720; 

388316, 4061630; 388344, 4061569; 

388460, 4061414; 388579, 4061350; 

388606, 4061229; 388631, 4061078; 

388595, 4060898; 388555, 4060598; 

388580, 4060417; 388546, 4060297; 

388542, 4060177; 388630, 4060084; 

388839, 4060017; 388928, 4059954; 

388773, 4059838; 388618, 4059722; 

388402, 4059579; 388397, 4059398; 

388391, 4059217; 388447, 4059065; 

388594, 4058940; 388774, 4058904; 

388864, 4058871; 389100, 4058713; 

389155, 4058531; 389363, 4058404; 

389540, 4058278; 389596, 4058155; 

389626, 4058124; 389745, 4058090; 

389835, 4058057; 389834, 4058027; 

389832, 4057967; 389829, 4057877; 

389793, 4057697; 389668, 4057551; 

389602, 4057372; 389476, 4057225; 

389472, 4057075; 389497, 4056923; 

389524, 4056832; 389490, 4056683; 

389393, 4056505; 389239, 4056419; 

389119, 4056423; 388970, 4056488; 

388908, 4056460; 388935, 4056339; 

388928, 4056128; 388917, 4055767; 

388912, 4055616; 388873, 4055346; 

388742, 4055019; 388615, 4054812; 

388579, 4054633; 388511, 4054394; 

388566, 4054241; 388716, 4054177; 

388927, 4054170; 388956, 4054139; 

389047, 4054136; 389195, 4054041; 

389404, 4053974; 389523, 4053910; 

389613, 4053877; 389637, 4053696; 

389606, 4053667; 389515, 4053669; 

389362, 4053584; 389208, 4053498; 

388962, 4053355; 388780, 4053331; 

388597, 4053277; 388261, 4053167; 

388014, 4053024; 387829, 4052879; 

387458, 4052620; 387303, 4052504; 

387118, 4052389; 386845, 4052338; 

386600, 4052255; 386356, 4052172; 

386230, 4052026; 385918, 4051704; 

385734, 4051619; 385550, 4051535; 

385187, 4051516; 385006, 4051522; 

384674, 4051532; 384346, 4051663; 

384167, 4051759; 383870, 4051919; 

383573, 4052079; 383456, 4052203; 

383402, 4052416; 383346, 4052538; 

383319, 4052629; 383116, 4052907; 

382907, 4053004; 382548, 4053105; 

382245, 4053085; 382121, 4052998; 

381970, 4052973; 381696, 4052921; 

381422, 4052870; 381087, 4052760; 

380627, 4052563; 380323, 4052513; 

380085, 4052610; 380029, 4052763; 

379974, 4052945; 380013, 4053215; 

380141, 4053422; 380360, 4053686; 

380609, 4053919; 380948, 4054120; 

381137, 4054355; 381414, 4054527; 

381478, 4054645; 381571, 4054703; 

381610, 4054972; 381611, 4055033; 

381616, 4055183; 381592, 4055365; 

381537, 4055547; 381513, 4055759; 

381430, 4055972; 381345, 4056156; 

381109, 4056344; 380873, 4056532; 

380604, 4056631; 380274, 4056701; 

380091, 4056647; 379968, 4056560; 

379993, 4056409; 380049, 4056257; 

380102, 4056044; 380036, 4055865; 

379851, 4055751; 379547, 4055670; 

379304, 4055647; 378973, 4055688; 

378731, 4055665; 378518, 4055642; 

378304, 4055558; 378158, 4055714; 

378223, 4055862; 378114, 4056227; 

377969, 4056443; 377946, 4056654; 

378101, 4056770; 378405, 4056851; 

378590, 4056965; 378715, 4057082; 

378841, 4057259; 378934, 4057316; 

379088, 4057402; 379180, 4057459; 

379273, 4057546; 379521, 4057719; 

379646, 4057866; 379741, 4058014; 

379896, 4058129; 380108, 4058153; 

380260, 4058178; 380561, 4058138; 

380806, 4058251; 380993, 4058426; 

380972, 4058698; 380976, 4058848; 

380712, 4059098; 380536, 4059254; 

380206, 4059324; 379996, 4059391; 

379902, 4059274; 379722, 4059310; 

379631, 4059312; 379453, 4059408; 

379369, 4059622; 379312, 4059744; 

379080, 4060053; 378929, 4060027; 

378803, 4059881; 378768, 4059731; 

378794, 4059580; 378759, 4059430; 

378755, 4059310; 378691, 4059191; 

378537, 4059106; 378325, 4059082; 

378175, 4059117; 378049, 4058971; 

377834, 4058857; 377650, 4058772; 

377526, 4058656; 377492, 4058536; 

377306, 4058391; 377186, 4058425; 

377161, 4058607; 377077, 4058790; 

377052, 4058972; 376908, 4059187; 

376820, 4059280; 376702, 4059374; 

376581, 4059378; 376525, 4059501; 

376711, 4059645; 376924, 4059699; 

377053, 4059966; 377151, 4060204; 

377277, 4060350; 377435, 4060587; 

377600, 4061003; 377637, 4061243; 

377703, 4061422; 377738, 4061571; 

377771, 4061660; 377898, 4061837; 

377992, 4061955; 378115, 4062011; 

378327, 4062035; 378478, 4062030; 

378900, 4061986; 379110, 4061950; 

379325, 4062063; 379420, 4062181; 

379485, 4062329; 379672, 4062534; 

379860, 4062739; 380015, 4062855; 

380292, 4063027; 380417, 4063144; 

380483, 4063322; 380579, 4063500; 

380562, 4063922; 380460, 4064498; 

380261, 4064896; 380149, 4065201; 

379947, 4065478; 379629, 4065940; 

379428, 4066278; 379342, 4066431; 

379258, 4066644; 379299, 4066975; 

379427, 4067211; 379584, 4067387; 

379680, 4067565; 379718, 4067805; 

379784, 4067983; 379940, 4068159; 

380098, 4068365; 380252, 4068451; 

380591, 4068651; 380653, 4068709; 

380777, 4068826; 380840, 4068884; 

380901, 4068912; 380964, 4069001; 

381026, 4069059; 381120, 4069146; 

381180, 4069144; 381242, 4069173; 

381362, 4069169; 381453, 4069166; 

381543, 4069163; 381785, 4069156; 

381935, 4069121; 382146, 4069114; 

382297, 4069109; 382358, 4069107; 

382478, 4069104; 382539, 4069102; 

382572, 4069191; 382725, 4069246; 

382815, 4069244; 382906, 4069241; 

383119, 4069294; 383210, 4069322; 

383243, 4069411; 383310, 4069590; 

383403, 4069677; 383616, 4069731; 

383828, 4069754; 383919, 4069751; 

384010, 4069748; returning to 384282, 

4069770. 

(ii) Note: Map of Unit 8 (Mount 

Williamson) for Sierra Nevada bighorn 

sheep (Map 9) follows: 

BILLING CODE 4310–55–P 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 40999 

(14) Unit 9 (Big Arroyo); Tulare 

County, California. 

(i) From USGS 1:24,000 scale 

quadrangles Triple Divide Peak, Mount 

Kaweah, and Chagoopa Falls. Land 

bounded by the following UTM zone 11 

NAD83 coordinates (E, N): 367856, 

4049078; 368038, 4049073; 368311, 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.009</GPH>
41000 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

4049124; 368644, 4049144; 368824, 

4049108; 369090, 4048919; 369207, 

4048795; 369203, 4048644; 369201, 

4048584; 369169, 4048525; 369072, 

4048347; 368645, 4048210; 368224, 

4048284; 367925, 4048383; 367593, 

4048394; 367503, 4048397; 367260, 

4048374; 366955, 4048293; 366591, 

4048244; 366345, 4048102; 365916, 

4047904; 365549, 4047765; 365361, 

4047560; 364989, 4047270; 364864, 

4047124; 364797, 4046915; 364973, 

4046759; 365395, 4046715; 365735, 

4046946; 366102, 4047085; 366467, 

4047164; 366891, 4047211; 367465, 

4047193; 367920, 4047269; 368407, 

4047374; 368560, 4047429; 369013, 

4047415; 368911, 4047057; 368632, 

4046825; 368322, 4046593; 367802, 

4046399; 367406, 4046291; 366767, 

4046130; 366404, 4046141; 366068, 

4046031; 365913, 4045886; 365868, 

4045435; 366038, 4045068; 366392, 

4044786; 366506, 4044572; 367012, 

4044315; 366916, 4044167; 366999, 

4043924; 367179, 4043858; 367575, 

4043966; 367970, 4044044; 368277, 

4044185; 368402, 4044331; 368714, 

4044653; 369028, 4045005; 369348, 

4045597; 369454, 4046076; 369830, 

4046486; 370175, 4046897; 370518, 

4047247; 370783, 4047028; 370644, 

4046430; 370695, 4046127; 370690, 

4045977; 370534, 4045831; 370317, 

4045657; 370041, 4045515; 369914, 

4045338; 369817, 4045130; 369781, 

4044951; 369897, 4044797; 370077, 

4044731; 370292, 4044844; 370507, 

4044958; 370665, 4045194; 370946, 

4045487; 371279, 4045506; 371607, 

4045345; 372024, 4045152; 372379, 

4044929; 372551, 4044623; 372817, 

4044434; 373092, 4044546; 373223, 

4044843; 373304, 4045503; 373323, 

4046105; 373219, 4046650; 372992, 

4047109; 372919, 4047684; 372692, 

4048143; 372701, 4048414; 373011, 

4048675; 373283, 4048667; 373432, 

4048602; 373602, 4048265; 373805, 

4047988; 373975, 4047621; 374080, 

4047105; 374277, 4046647; 374322, 

4046164; 374308, 4045712; 374200, 

4045174; 374158, 4044783; 374181, 

4044572; 374200, 4044210; 374217, 

4043787; 374236, 4043425; 374288, 

4043152; 374391, 4042607; 374467, 

4042122; 374516, 4041759; 374537, 

4041488; 374470, 4041279; 374347, 

4041192; 374136, 4041229; 374014, 

4041173; 373950, 4041054; 373904, 

4040574; 373897, 4040333; 373915, 

4039971; 373903, 4039579; 373888, 

4039098; 373877, 4038737; 373895, 

4038375; 373915, 4038043; 373877, 

4037773; 373839, 4037533; 373619, 

4037269; 373549, 4036970; 373479, 

4036670; 373530, 4036368; 373518, 

4035976; 373478, 4035676; 373263, 

4035563; 373112, 4035567; 373019, 

4035480; 373040, 4035208; 373120, 

4034844; 373172, 4034601; 373171, 

4034571; 373195, 4034360; 373188, 

4034149; 373125, 4034061; 373093, 

4034001; 372881, 4033978; 372671, 

4034015; 372489, 4034020; 372278, 

4034027; 372096, 4034002; 372005, 

4034005; 371642, 4033987; 371403, 

4034054; 371161, 4034062; 371012, 

4034127; 370652, 4034198; 370474, 

4034294; 370386, 4034387; 369997, 

4034520; 369847, 4034555; 369670, 

4034681; 369253, 4034875; 368900, 

4035187; 368785, 4035372; 368611, 

4035588; 368408, 4035866; 368444, 

4036045; 368544, 4036343; 368613, 

4036612; 368531, 4036916; 368483, 

4037309; 368432, 4037582; 368318, 

4037827; 368114, 4038044; 367910, 

4038291; 367764, 4038447; 367616, 

4038542; 367411, 4038759; 367265, 

4038914; 366971, 4039194; 366588, 

4039508; 366295, 4039788; 366005, 

4040159; 365710, 4040409; 365323, 

4040602; 364940, 4040885; 364704, 

4041073; 364407, 4041233; 364172, 

4041451; 363937, 4041670; 363675, 

4041979; 363294, 4042383; 363033, 

4042722; 362830, 4043000; 362598, 

4043309; 362513, 4043462; 362550, 

4043702; 362773, 4044056; 362873, 

4044354; 362976, 4044743; 362987, 

4045104; 362907, 4045438; 362796, 

4045743; 362624, 4046049; 362419, 

4046267; 362243, 4046423; 362434, 

4046718; 362771, 4046888; 363048, 

4047030; 363355, 4047201; 363540, 

4047316; 363809, 4047217; 363990, 

4047211; 364085, 4047329; 364213, 

4047566; 364430, 4047740; 364638, 

4047643; 364880, 4047635; 364946, 

4047814; 364918, 4047875; 364772, 

4048061; 364751, 4048332; 364757, 

4048543; 364885, 4048750; 365096, 

4048743; 365274, 4048647; 365419, 

4048432; 365540, 4048458; 365753, 

4048482; 365964, 4048475; 366116, 

4048500; 366302, 4048645; 366454, 

4048671; 366638, 4048755; 366736, 

4048993; 366926, 4049288; 367023, 

4049466; 367148, 4049613; 367333, 

4049727; 367635, 4049718; 367747, 

4049443; 367652, 4049296; 367648, 

4049175; 367736, 4049082; returning to 

367856, 4049078. 

(ii) Note: Map of Unit 9 (Big Arroyo) 

for Sierra Nevada bighorn sheep (Map 

10) follows: 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 41001 

(15) Unit 10 (Mount Langley); Inyo 

and Tulare Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Mount Whitney, Mount 

Langley, Lone Pine, Johnson Peak, 

Cirque Peak, and Bartlett. Land bounded 

by the following UTM zone 11 NAD83 

coordinates (E, N): 391201, 4048676; 

391835, 4048656; 392289, 4048672; 

392648, 4048570; 393008, 4048499; 

393517, 4048332; 393840, 4048051; 

393861, 4047749; 393701, 4047453; 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.010</GPH>
41002 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

393997, 4047263; 394301, 4047313; 

394691, 4047241; 394959, 4047112; 

394980, 4046810; 394761, 4046576; 

394545, 4046432; 394209, 4046322; 

393872, 4046182; 393805, 4045973; 

393952, 4045848; 394346, 4045866; 

394557, 4045859; 394797, 4045822; 

394914, 4045698; 395096, 4045722; 

395312, 4045836; 395435, 4045922; 

395609, 4045676; 395357, 4045352; 

395142, 4045239; 394955, 4045064; 

394737, 4044860; 394607, 4044562; 

394630, 4044351; 394785, 4044466; 

394972, 4044641; 395189, 4044815; 

395465, 4044957; 395741, 4045069; 

396017, 4045211; 396292, 4045323; 

396624, 4045312; 396865, 4045275; 

397011, 4045120; 396916, 4044972; 

396912, 4044852; 396906, 4044671; 

396989, 4044427; 397139, 4044392; 

397225, 4044239; 397130, 4044092; 

397004, 4043945; 396941, 4043856; 

396910, 4043827; 396816, 4043710; 

396872, 4043588; 397085, 4043611; 

397269, 4043726; 397424, 4043841; 

397610, 4043986; 397705, 4044134; 

397826, 4044130; 397974, 4044035; 

397988, 4043910; 398032, 4043812; 

398101, 4043709; 398135, 4043591; 

398258, 4043464; 398459, 4043386; 

398630, 4043312; 398832, 4043175; 

399028, 4043028; 399145, 4042939; 

399209, 4042895; 399312, 4042807; 

399366, 4042758; 399410, 4042704; 

399454, 4042670; 399582, 4042567; 

399694, 4042459; 399758, 4042385; 

399846, 4042312; 399944, 4042199; 

400033, 4042101; 400096, 4041978; 

400219, 4041836; 400286, 4041643; 

400252, 4041523; 400128, 4041437; 

400005, 4041380; 399883, 4041324; 

399698, 4041209; 399455, 4041157; 

399327, 4040950; 399383, 4040797; 

399592, 4040731; 399927, 4040810; 

400292, 4040889; 400718, 4040966; 

401019, 4040957; 401230, 4040920; 

401313, 4040742; 401218, 4040743; 

401216, 4040470; 401215, 4040469; 

401123, 4040411; 400849, 4040330; 

400699, 4040395; 400579, 4040398; 

400425, 4040313; 400272, 4040257; 

400151, 4040261; 399969, 4040237; 

399818, 4040242; 399727, 4040214; 

399573, 4040129; 399364, 4040196; 

399184, 4040231; 399001, 4040177; 

398875, 4040030; 398718, 4039824; 

398769, 4039552; 398794, 4039370; 

398816, 4039098; 398776, 4038798; 

398854, 4038404; 398936, 4038130; 

399265, 4038030; 399537, 4038021; 

399838, 4037982; 400353, 4038026; 

400864, 4037949; 401406, 4037902; 

402036, 4037732; 402453, 4037568; 

403052, 4037399; 403265, 4037370; 

403437, 4037350; 403454, 4037349; 

403451, 4037001; 403437, 4037001; 

402801, 4037105; 402468, 4037086; 

401954, 4037072; 401743, 4037078; 

401474, 4037177; 401200, 4037095; 

400986, 4037012; 400832, 4036926; 

400587, 4036813; 400582, 4036663; 

400580, 4036603; 400666, 4036449; 

400841, 4036263; 401078, 4036105; 

401286, 4036008; 401736, 4035904; 

402332, 4035644; 402478, 4035459; 

402592, 4035244; 402736, 4035029; 

402939, 4034751; 403054, 4034567; 

403316, 4034257; 403521, 4034040; 

403693, 4033764; 403840, 4033638; 

403988, 4033543; 404106, 4033449; 

404311, 4033232; 404456, 4033047; 

404629, 4032770; 404746, 4032646; 

404742, 4032526; 404646, 4032378; 

404481, 4032210; 404371, 4031974; 

404270, 4031915; 404169, 4031814; 

404034, 4031695; 403840, 4031602; 

403679, 4031476; 403510, 4031223; 

403325, 4031113; 403114, 4030986; 

402911, 4030843; 402683, 4030682; 

402455, 4030471; 402345, 4030421; 

402016, 4030302; 401797, 4030311; 

401611, 4030311; 401256, 4030370; 

401079, 4030370; 400767, 4030328; 

400404, 4030286; 400100, 4030159; 

399880, 4030100; 399745, 4030286; 

399661, 4030640; 399568, 4030868; 

399652, 4031501; 399492, 4031881; 

399323, 4032202; 399070, 4032464; 

398876, 4032742; 398758, 4033029; 

398606, 4033527; 398766, 4033823; 

398859, 4034354; 398867, 4034473; 

398867, 4034574; 398867, 4034692; 

398859, 4034768; 398867, 4034878; 

398859, 4034962; 398842, 4035047; 

398817, 4035156; 398825, 4035292; 

398817, 4035418; 398783, 4035553; 

398775, 4035671; 398741, 4035787; 

398591, 4035822; 398442, 4035887; 

398294, 4035982; 398026, 4036080; 

397844, 4036086; 397727, 4036104; 

397729, 4036166; 397321, 4036177; 

397117, 4036180; 397065, 4036291; 

397073, 4036532; 397229, 4036678; 

397565, 4036818; 397899, 4036868; 

398144, 4036950; 398575, 4037208; 

398760, 4037323; 398826, 4037501; 

398587, 4037599; 398285, 4037609; 

398074, 4037615; 397779, 4037835; 

397573, 4038023; 397247, 4038214; 

396925, 4038555; 396808, 4038679; 

396694, 4038894; 396521, 4039140; 

396440, 4039474; 396020, 4039548; 

395687, 4039528; 395353, 4039478; 

395015, 4039308; 394354, 4039419; 

393996, 4039551; 393553, 4039896; 

393199, 4040148; 392841, 4040310; 

392599, 4040288; 392388, 4040324; 

392208, 4040360; 392026, 4040336; 

391845, 4040341; 391695, 4040376; 

391607, 4040469; 391464, 4040715; 

391168, 4040905; 391019, 4040970; 

390717, 4040979; 390615, 4040870; 

390526, 4040776; 390443, 4040719; 

390324, 4040646; 390241, 4040657; 

390158, 4040641; 390080, 4040574; 

390002, 4040480; 389955, 4040018; 

390023, 4039509; 389862, 4039176; 

389441, 4038958; 389108, 4038818; 

389015, 4038797; 388682, 4038673; 

388527, 4038553; 388246, 4038309; 

388225, 4038111; 388142, 4038091; 

388054, 4038169; 387992, 4038413; 

387898, 4039083; 387695, 4039478; 

387443, 4039666; 387108, 4039586; 

386653, 4039541; 386445, 4039637; 

386479, 4039787; 386788, 4039988; 

387154, 4040097; 387492, 4040267; 

387587, 4040415; 387626, 4040685; 

387539, 4040808; 387242, 4040968; 

387030, 4040945; 386663, 4040805; 

386571, 4040778; 386423, 4040873; 

386520, 4041081; 386706, 4041226; 

386895, 4041461; 387083, 4041696; 

387183, 4041994; 387197, 4042415; 

387266, 4042684; 387125, 4043020; 

387068, 4043112; 386891, 4043269; 

386710, 4043274; 386617, 4043187; 

386370, 4043014; 386328, 4042654; 

386323, 4042503; 386227, 4042325; 

386193, 4042206; 386187, 4042025; 

386181, 4041815; 386147, 4041695; 

385866, 4041403; 385677, 4041168; 

385489, 4040963; 385424, 4040814; 

385175, 4040581; 384687, 4040446; 

384085, 4040495; 383395, 4040667; 

382950, 4040922; 382597, 4041234; 

382557, 4041868; 382965, 4042368; 

383585, 4042860; 383899, 4043242; 

383974, 4043692; 384083, 4044291; 

384064, 4044653; 384347, 4045005; 

384752, 4045384; 385209, 4045490; 

385338, 4045757; 385674, 4045867; 

386068, 4045915; 386432, 4045964; 

386733, 4045925; 387003, 4045856; 

387456, 4045842; 387935, 4045706; 

388454, 4045870; 388701, 4046043; 

388853, 4046069; 389062, 4046002; 

389305, 4046024; 389585, 4046287; 

389713, 4046524; 389873, 4046790; 

390029, 4046966; 390102, 4047355; 

390199, 4047563; 390149, 4047896; 

390462, 4048217; 390866, 4048596; 

returning to 391201, 4048676. 

(ii) Note: Map of Unit 10 (Mount 

Langley) for Sierra Nevada bighorn 

sheep (Map 11) follows: 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 41003 

(16) Unit 11 (Laurel Creek); Tulare 

County, California. 

(i) From USGS 1:24,000 scale 

quadrangles Mineral King, Chagoopa 

Falls, Quinn Peak, and Kern Lake. Land 

bounded by the following UTM zone 11 

NAD83 coordinates (E, N): 373174, 

4031891; 373186, 4031558; 373154, 

4031248; 373234, 4030979; 373246, 

4030646; 373240, 4030446; 373299, 

4030200; 373294, 4030045; 373311, 

4029867; 373368, 4029577; 373315, 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.011</GPH>
41004 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

4029290; 373265, 4029114; 373238, 

4028981; 373232, 4028782; 373228, 

4028671; 373244, 4028471; 373261, 

4028292; 373235, 4028160; 373118, 

4027986; 373114, 4027853; 373201, 

4027784; 373307, 4027625; 373303, 

4027492; 373295, 4027248; 373288, 

4027026; 373370, 4026802; 373343, 

4026647; 373335, 4026403; 373361, 

4025803; 373349, 4025426; 373426, 

4025046; 373542, 4024488; 373421, 

4024158; 373270, 4024319; 373084, 

4024791; 372982, 4025082; 372972, 

4025460; 373002, 4025726; 372967, 

4026015; 372813, 4026087; 372622, 

4026381; 372567, 4026738; 372492, 

4027184; 372494, 4027251; 372544, 

4027449; 372683, 4027600; 372797, 

4027685; 372844, 4027773; 372868, 

4027839; 372850, 4027950; 372627, 

4027957; 372493, 4027939; 372334, 

4027833; 372088, 4027819; 371867, 

4027848; 371735, 4027896; 371467, 

4027883; 371376, 4027819; 371153, 

4027804; 370951, 4027743; 370794, 

4027704; 370614, 4027665; 370368, 

4027628; 370167, 4027590; 369942, 

4027531; 369740, 4027471; 369540, 

4027477; 369315, 4027417; 369225, 

4027376; 369088, 4027291; 368842, 

4027232; 368686, 4027237; 368416, 

4027135; 368191, 4027075; 368057, 

4027057; 367878, 4027018; 367675, 

4026936; 367474, 4026920; 367297, 

4026970; 367076, 4027021; 366900, 

4027093; 366656, 4027101; 366475, 

4027018; 366339, 4026933; 366202, 

4026827; 366128, 4026607; 365901, 

4026481; 365715, 4026220; 365708, 

4025999; 365794, 4025885; 366031, 

4025655; 366097, 4025609; 366225, 

4025450; 366418, 4025199; 366479, 

4025020; 366407, 4024844; 366270, 

4024760; 366159, 4024741; 365979, 

4024680; 365753, 4024599; 365468, 

4024718; 365362, 4024899; 365163, 

4024950; 365047, 4024798; 365032, 

4024310; 364847, 4024094; 364692, 

4024121; 364515, 4024171; 364294, 

4024222; 364143, 4024360; 363697, 

4024352; 363475, 4024359; 363204, 

4024257; 362979, 4024175; 362728, 

4023983; 362562, 4023655; 362372, 

4023284; 362190, 4023156; 361949, 

4023275; 361734, 4023526; 361439, 

4024046; 361355, 4024226; 361276, 

4024539; 361283, 4024739; 361287, 

4024894; 361272, 4025116; 361278, 

4025294; 361376, 4025579; 361426, 

4025778; 361250, 4025827; 361010, 

4025990; 360838, 4026196; 360688, 

4026378; 360408, 4026675; 360260, 

4026924; 360046, 4027197; 359897, 

4027402; 359791, 4027583; 359529, 

4027746; 359063, 4027783; 358774, 

4027814; 358531, 4027866; 358309, 

4027895; 358180, 4028033; 358116, 

4028124; 358009, 4028282; 357927, 

4028485; 357931, 4028618; 358005, 

4028837; 358096, 4028901; 358170, 

4029143; 358309, 4029316; 358871, 

4029476; 359141, 4029579; 359257, 

4029708; 359484, 4029857; 359667, 

4030028; 359672, 4030184; 359521, 

4030322; 359325, 4030483; 359243, 

4030686; 359295, 4030928; 359325, 

4031171; 359351, 4031282; 359270, 

4031551; 359321, 4031749; 359261, 

4031973; 359113, 4032221; 358851, 

4032407; 358587, 4032504; 358259, 

4032692; 358269, 4033003; 358344, 

4033267; 358592, 4033348; 358837, 

4033362; 358952, 4033470; 359201, 

4033617; 359530, 4033452; 359660, 

4033336; 359907, 4033395; 359976, 

4033482; 360158, 4033587; 360425, 

4033579; 360624, 4033550; 360800, 

4033478; 361106, 4033313; 361280, 

4033175; 361405, 4032904; 361468, 

4032769; 361508, 4032613; 361594, 

4032521; 361719, 4032251; 361664, 

4031919; 361657, 4031698; 361918, 

4031512; 362074, 4031507; 362141, 

4031505; 362367, 4031609; 362415, 

4031740; 362396, 4031852; 362578, 

4031957; 362711, 4031931; 362842, 

4031860; 362907, 4031814; 363107, 

4031785; 363177, 4031894; 363224, 

4031959; 363248, 4032025; 363250, 

4032092; 363320, 4032178; 363564, 

4032148; 363742, 4032143; 363940, 

4032092; 364228, 4032039; 364294, 

4032015; 364472, 4032009; 364583, 

4032005; 364830, 4032064; 364966, 

4032127; 365212, 4032186; 365326, 

4032249; 365371, 4032269; 365553, 

4032397; 365712, 4032503; 365780, 

4032523; 365916, 4032607; 366029, 

4032671; 366122, 4032779; 366147, 

4032889; 366152, 4033022; 366154, 

4033088; 366317, 4033327; 366406, 

4033325; 366516, 4033277; 366602, 

4033185; 366665, 4033072; 366816, 

4032912; 366948, 4032864; 367016, 

4032884; 367175, 4032990; 367310, 

4033030; 367512, 4033090; 367623, 

4033087; 367799, 4033015; 367930, 

4032944; 367993, 4032809; 367812, 

4032726; 367632, 4032665; 367429, 

4032582; 367248, 4032477; 367132, 

4032325; 366969, 4032108; 366718, 

4031916; 366739, 4031871; 366849, 

4031823; 366916, 4031844; 367049, 

4031839; 367250, 4031833; 367384, 

4031851; 367499, 4031958; 367588, 

4031978; 367634, 4032021; 367749, 

4032128; 367815, 4032126; 367880, 

4032057; 367852, 4031859; 367892, 

4031724; 367957, 4031678; 368048, 

4031741; 368183, 4031782; 368397, 

4031508; 368486, 4031506; 368664, 

4031500; 368891, 4031626; 368958, 

4031646; 369050, 4031732; 369297, 

4031791; 369564, 4031783; 369809, 

4031797; 370121, 4031810; 370520, 

4031753; 370984, 4031649; 371185, 

4031643; 371741, 4031626; 372030, 

4031617; 372432, 4031648; 372543, 

4031667; 372702, 4031751; 372753, 

4031949; 372714, 4032150; 372652, 

4032285; 372548, 4032533; 372578, 

4032776; 372564, 4033021; 372571, 

4033264; 372624, 4033507; 372783, 

4033635; 372942, 4033719; 373052, 

4033671; 373028, 4033628; 373070, 

4033537; 373088, 4033404; 373101, 

4033115; 373095, 4032937; 373087, 

4032671; 373125, 4032470; 373138, 

4032159; returning to 373174, 4031891. 

(ii) Note: Map of Unit 11 (Laurel 

Creek) for Sierra Nevada bighorn sheep 

(Map 12) follows: 

BILLING CODE 4310–55–P 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 41005 

(17) Unit 12 (Olancha Peak); Inyo and 

Tulare Counties, California. 

(i) From USGS 1:24,000 scale 

quadrangles Cirque Peak, Bartlett, 

Templeton Mountain, Olancha, and 

Haiwee Pass. Land bounded by the 

following UTM zone 11 NAD83 

coordinates (E, N): 403133, 4029453; 

403358, 4029282; 403619, 4029209; 

403945, 4029133; 404369, 4029021; 

404658, 4028816; 404816, 4028614; 

405104, 4028376; 405331, 4028270; 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.012</GPH>
41006 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

405620, 4028065; 405682, 4027932; 

405805, 4027666; 405734, 4027504; 

405863, 4027434; 406060, 4027428; 

406290, 4027421; 406385, 4027320; 

406479, 4027153; 406544, 4027151; 

406674, 4027081; 406738, 4027046; 

406835, 4026978; 406993, 4026776; 

407086, 4026610; 407116, 4026510; 

407176, 4026345; 407206, 4026245; 

407201, 4026082; 407131, 4025953; 

407161, 4025854; 407158, 4025755; 

407190, 4025722; 407251, 4025589; 

407282, 4025522; 407279, 4025424; 

407210, 4025328; 407206, 4025197; 

407203, 4025099; 407234, 4025032; 

407263, 4024933; 407291, 4024768; 

407287, 4024637; 407250, 4024507; 

407178, 4024313; 407042, 4024153; 

406975, 4024123; 406909, 4024125; 

406811, 4024128; 406841, 4024061; 

406903, 4023928; 406933, 4023829; 

406963, 4023763; 407057, 4023596; 

407118, 4023463; 407282, 4023458; 

407411, 4023355; 407439, 4023223; 

407499, 4023025; 407524, 4022795; 

407487, 4022632; 407350, 4022473; 

407214, 4022313; 407044, 4022154; 

407010, 4022123; 406941, 4021994; 

406870, 4021832; 406765, 4021639; 

406663, 4021511; 406627, 4021414; 

406622, 4021283; 406686, 4021215; 

406682, 4021085; 406739, 4020821; 

406701, 4020658; 406634, 4020595; 

406565, 4020498; 406562, 4020400; 

406557, 4020237; 406553, 4020106; 

406515, 4019943; 406508, 4019747; 

406537, 4019615; 406434, 4019487; 

406336, 4019490; 406301, 4019425; 

406296, 4019262; 406194, 4019167; 

406127, 4019103; 406121, 4018939; 

406086, 4018842; 405983, 4018714; 

405817, 4018654; 405649, 4018561; 

405584, 4018563; 405583, 4018530; 

405611, 4018398; 405572, 4018203; 

405538, 4018139; 405435, 4018011; 

405400, 4017946; 405332, 4017883; 

405395, 4017783; 405428, 4017782; 

405460, 4017748; 405620, 4017612; 

405779, 4017443; 405875, 4017374; 

405935, 4017209; 405999, 4017141; 

405962, 4017011; 405959, 4016913; 

405955, 4016782; 405919, 4016685; 

405885, 4016653; 405816, 4016557; 

405749, 4016494; 405747, 4016428; 

405843, 4016360; 405942, 4016356; 

406040, 4016353; 406104, 4016286; 

406134, 4016219; 406131, 4016121; 

406063, 4016025; 406026, 4015895; 

405988, 4015732; 406018, 4015666; 

406016, 4015600; 406108, 4015368; 

406101, 4015172; 406062, 4014976; 

406055, 4014747; 405918, 4014555; 

405816, 4014460; 405812, 4014329; 

405703, 4014005; 405598, 4013811; 

405530, 4013715; 405491, 4013520; 

405488, 4013422; 405480, 4013192; 

405405, 4012900; 405336, 4012771; 

405329, 4012542; 405353, 4012279; 

405416, 4012179; 405313, 4012051; 

405109, 4011828; 404843, 4011738; 

404673, 4011547; 404541, 4011551; 

404414, 4011686; 404316, 4011689; 

404187, 4011758; 404086, 4011696; 

403921, 4011668; 403724, 4011675; 

403625, 4011678; 403527, 4011681; 

403365, 4011751; 403199, 4011691; 

403002, 4011697; 402935, 4011667; 

402706, 4011707; 402610, 4011775; 

402480, 4011845; 402250, 4011819; 

402186, 4011887; 401989, 4011893; 

401860, 4011962; 401729, 4011999; 

401598, 4012003; 401366, 4011945; 

401165, 4011820; 401032, 4011759; 

400764, 4011604; 400498, 4011514; 

400367, 4011518; 400040, 4011561; 

399878, 4011631; 399816, 4011764; 

399787, 4011896; 399790, 4011995; 

399794, 4012093; 399732, 4012226; 

399669, 4012326; 399540, 4012396; 

399444, 4012464; 399349, 4012598; 

399327, 4012927; 399402, 4013219; 

399406, 4013350; 399445, 4013546; 

399515, 4013674; 399520, 4013838; 

399557, 4013968; 399563, 4014164; 

399600, 4014294; 399608, 4014556; 

399611, 4014654; 399615, 4014785; 

399590, 4015016; 399595, 4015179; 

399404, 4015382; 399177, 4015487; 

399182, 4015618; 399286, 4015812; 

399294, 4016073; 399398, 4016234; 

399566, 4016360; 399635, 4016456; 

399737, 4016551; 399901, 4016546; 

399960, 4016347; 400087, 4016212; 

400183, 4016111; 400341, 4015910; 

400463, 4015611; 400557, 4015477; 

400849, 4015337; 400916, 4015400; 

401120, 4015590; 401351, 4015648; 

401360, 4015910; 401368, 4016172; 

401440, 4016367; 401443, 4016465; 

401381, 4016598; 401321, 4016764; 

401226, 4016898; 401164, 4016998; 

401067, 4017066; 400906, 4017170; 

400742, 4017175; 400640, 4017047; 

400342, 4016991; 400311, 4017057; 

400313, 4017123; 400383, 4017252; 

400419, 4017349; 400455, 4017446; 

400490, 4017511; 400525, 4017575; 

400592, 4017638; 400597, 4017769; 

400471, 4017970; 400179, 4018077; 

399917, 4018118; 399692, 4018256; 

399663, 4018388; 399666, 4018487; 

399735, 4018583; 399935, 4018675; 

399939, 4018806; 399745, 4018910; 

399617, 4019012; 399357, 4019119; 

398800, 4019169; 398672, 4019272; 

398480, 4019441; 398298, 4019906; 

398237, 4020072; 398082, 4020371; 

397992, 4020636; 397996, 4020767; 

398000, 4020898; 398005, 4021062; 

398011, 4021226; 398122, 4021648; 

398191, 4021744; 398332, 4022035; 

398442, 4022392; 398584, 4022748; 

398657, 4022975; 398663, 4023171; 

398935, 4023458; 399006, 4023619; 

399074, 4023683; 399072, 4023617; 

399110, 4023780; 399181, 4023941; 

399119, 4024074; 399094, 4024337; 

399000, 4024471; 398813, 4024805; 

398716, 4024841; 398527, 4025109; 

398467, 4025275; 398472, 4025438; 

398510, 4025601; 398514, 4025732; 

398553, 4025927; 398622, 4026023; 

398722, 4026086; 398791, 4026182; 

398928, 4026341; 399031, 4026502; 

399002, 4026634; 398945, 4026898; 

399113, 4027024; 399214, 4027086; 

399283, 4027182; 399254, 4027314; 

399194, 4027513; 399136, 4027744; 

399140, 4027875; 399143, 4027973; 

399180, 4028103; 399218, 4028266; 

399226, 4028527; 399329, 4028655; 

399466, 4028815; 399568, 4028943; 

399902, 4029096; 399971, 4029225; 

400106, 4029319; 400270, 4029314; 

400401, 4029310; 400666, 4029367; 

400864, 4029393; 400930, 4029391; 

400995, 4029389; 401356, 4029378; 

401586, 4029371; 401783, 4029365; 

402145, 4029386; 402443, 4029442; 

402676, 4029533; 403004, 4029523; 

returning to 403133, 4029453. 

(ii) Note: Map of Unit 12 (Olancha 

Peak) for Sierra Nevada bighorn sheep 

(Map 13) follows: 


rwilkins on PROD1PC63 with PROPOSALS2
Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 41007 


rwilkins on PROD1PC63 with PROPOSALS2EP25JY07.013</GPH>
41008 Federal Register / Vol. 72, No. 142 / Wednesday, July 25, 2007 / Proposed Rules 

* * * * * Dated: July 17, 2007. 

Todd Willens, 

Acting Assistant Secretary for Fish and 

Wildlife and Parks. 

[FR Doc. 07–3591 Filed 7–24–07; 8:45 am] 

BILLING CODE 4310–55–C 


rwilkins on PROD1PC63 with PROPOSALS2