ATTACHMENT 4

MEMORANDUM OF AGREEMENT

Mohave County Wind Farm Memorandum of Agreement 1

MEMORANDUM OF AGREEMENT

AMONG THE

BUREAU OF LAND MANAGEMENT,

BUREAU OF RECLAMATION, AND

ARIZONA STATE HISTORIC PRESERVATION OFFICER,

AND BY INVITATON

BP WIND ENERGY NORTH AMERICA INC. AND

HUALAPAI TRIBE

WITH INVITED CONCURRENCE BY THE FOLLOWING CONSULTED PARTIES

WESTERN AREA POWER ADMINISTRATION,

NATIONAL PARK SERVICE,

COLORADO RIVER INDIAN TRIBES,

FORT MOJAVE INDIAN TRIBE,

HAVASUPAI TRIBE,

KAIBAB-PAIUTE TRIBE,

LAS VEGAS PAIUTE TRIBE,

MOAPA BAND OF PAIUTE INDIANS,

SAN JUAN SOUTHERN PAIUTE TRIBE,

YAVAPAI-APACHE NATION, AND

YAVAPAI-PRESCOTT INDIAN TRIBE

REGARDING THE

MOHAVE COUNTY WIND FARM, ARIZONA

WHEREAS, BP Wind Energy North America Inc. (BP Wind Energy) proposes to construct, 

operate, and eventually decommission the Mohave County Wind Farm within Township 28 North, 

Ranges 19, 20, and 21 West and Township 29 North, Ranges 19 and 20 West of the Gila and Salt River 

Meridian, approximately 40 miles northwest of Kingman, Mohave County, Arizona (see attached 

Figure 1); and 

WHEREAS, the Bureau of Land Management (BLM), as lead Federal land managing agency as 

authorized by the Federal Land Policy and Management Act of 1976 (Title V, 43 U.S.C. § 1701), must 

consider issuance of right-of-way grants for constructing, operating, and decommissioning the Mohave 

County Wind Farm and associated facilities and infrastructure on approximately 38,099 acres (59.5 square 

miles) of public land administered by BLM and additional rights-of-way for a main access road, electrical 

distribution line, and temporary water line, as well as use of a permitted and developed aggregate materials 

source (see attached Figure 2); and 

WHEREAS, the Bureau of Reclamation (Reclamation) must consider issuance of a right-of-way 

grant for developing the Mohave County Wind Farm and associated facilities and infrastructure on 

approximately 8,960 acres (14.0 square miles) of federal land administered by Reclamation adjacent to the 

public land administered by BLM (refer to attached Figure 2); and 

WHEREAS, BLM has determined that the undertaking (as defined in Stipulation I, below) may 

have an adverse effect on historic properties, that is sites, districts, buildings, structures, or objects listed in 

or eligible for listing in the National Register of Historic Places (National Register), and has consulted with 
Mohave County Wind Farm Memorandum of Agreement 2

the Arizona State Historic Preservation Officer (SHPO) pursuant to 36 CFR part 800 of the regulations 

implementing Section 106 of the National Historic Preservation Act (NHPA) of 1966 (16 U.S.C. § 470f); 

and

WHEREAS, SHPO is authorized to enter into this Memorandum of Agreement (MOA) to fulfill 

its role of advising and assisting Federal agencies in carrying out Section 106 responsibilities under

Sections 101 and 106 of the NHPA, as amended, 16 U.S.C. § 407f, and pursuant to regulations 

implementing Section 106, at 36 CFR part 800.2(c)(1)(i) and 800.6(b); and

WHEREAS, BP Wind Energy is the applicant for a right-of-way grant to construct and operate 

the proposed Mohave County Wind Farm and will be responsible for implementing many elements of this 

MOA, BLM has offered BP Wind Energy the opportunity to participate in this MOA as an invited 

signatory, in accordance with 36 CFR part 800.6(c)(2)(i); and

WHEREAS, BLM has consulted with the Hualapai Tribe and the Area of Potential Effects (APE) 

is within the aboriginal land of the Hualapai Tribe as determined by the Indian Claims Commission and the

Tribe is conducting ethnohistoric research as part of the effort to identify historic properties in the APE, 

BLM has offered the Hualapai Tribe the opportunity to participate in this MOA as an invited signatory, in 

accordance with 36 CFR part 800.6(c)(2)(i); and

WHEREAS, the Western Area Power Administration (Western) must consider BP Wind Energy’s 

application for an interconnection with either the Liberty-Mead 345-kilovolt transmission line or the MeadPhoenix 500-kilovolt transmission line, BLM has offered Western the opportunity to participate in this 

MOA as a concurring party, in accordance with 36 CFR part 800.6(c)(3); and 

WHEREAS, BLM has consulted with the National Park Service (NPS), regarding effects to 

historic properties within the adjacent Lake Mead National Recreation Area, and has invited NPS to 

participate in this MOA as a concurring party in accordance with 36 CFR part 800.6(c)(3); and 

WHEREAS, BLM has consulted with the Chemehuevi Tribe, Colorado River Indian Tribes, Fort 

Mojave Indian Tribe, Havasupai Tribe, Hopi Tribe, Kaibab Band of Paiute Indians, Las Vegas Paiute 

Tribe, Moapa Band of Paiute Indians, San Juan Southern Paiute Tribe, Yavapai-Apache Nation, and 

Yavapai-Prescott Indian Tribe, which may attach cultural or religious significance to historic properties in 

the APE, and has invited the Tribes to participate in this MOA as concurring parties in accordance with 

36 CFR part 800.6(c)(3); and 

WHEREAS, BLM has used and coordinated the National Environmental Policy Act (NEPA) 

public participation requirements to assist the agency in satisfying the public involvement requirements 

under Section 106 of the NHPA pursuant to 36 CFR part 800.2(d)(3); and

WHEREAS, in accordance with 36 CFR part 800.6(a)(1), BLM has notified the Advisory 

Council on Historic Preservation (Advisory Council) of its adverse effect determination with specified 

documentation and the Advisory Council has chosen not to participate in the consultation pursuant to 

36 CFR part 800.6(a)(1)(iii); and

NOW, THEREFORE, BLM, Reclamation, SHPO, and the other consulting parties agree that the 

following stipulations shall be implemented in order to take into account the effects of the undertaking on 

historic properties, and to satisfy all responsibilities under Section 106 of the NHPA.
Mohave County Wind Farm Memorandum of Agreement 3

STIPULATIONS

In coordination with the SHPO and other consulting parties, BLM shall ensure that the following measures 

are implemented:

Stipulation I. Undertaking and Area of Potential Effects

A. The definition of “undertaking” in 36 CFR part 800.16(y) includes projects requiring a Federal 

permit, license, or approval. The undertaking (project) covered by this MOA is the Mohave County Wind 

Farm and all its components, including wind turbines and transformers, electrical collector lines, an 

interconnection transmission line, substations, a switchyard, access roads, operations and maintenance 

building, utility/communication lines, and permanent and/or temporary meteorological towers, as well as 

temporary materials laydown/equipment staging/concrete batch plant areas, water line, and use of a

permitted and developed aggregate materials pit. Depending on which alternative is approved for 

construction, operation, and decommissioning, which transmission line is approved for interconnection 

with the regional electrical grid, and which model of wind turbine is used, the facilities and their locations 

would be refined as final engineering designs are prepared.

B. BLM defined the APE for direct construction impacts as the area that could be disturbed by 

construction, operation, and eventual decommissioning of the project. The alternative that BP Wind 

Energy proposes to develop would include 203 to 283 wind turbines and related facilities and 

infrastructure within an area of approximately 47,059 acres, as well as a main access road from 

U.S. Highway 93 and use of a permitted and developed aggregate material pit along Detrital Wash 

adjacent to that main access road (refer to attached Figure 2). On the basis of preliminary engineering, it is 

estimated that the area of ground disturbance could accumulate to approximately 2.3 square miles

(1,471 acres) (see attached Table 1). BLM is evaluating two alternatives of the project design that would 

eliminate some turbines along the north, east, and south sides of the proposed wind farm. Each of those 

alternatives would involve construction of approximately 153 to 208 turbines and disturb approximately 

0.5 square mile (320 acres) less than the project as proposed by BP Wind Energy. 

C. BLM defined the APE for indirect visual impacts as an area extending to a distance of 20 miles

from the proposed project boundaries (refer to attached Figure 1).

Stipulation II. Consideration of Historic Properties during Final Design

A. Intensive Class III cultural resource surveys for the project covered approximately 16.0 square 

miles (over 10,000 acres) and identified 10 historic properties that could be adversely affected (see

attached Table 2). The attached Figure 3, which is excluded from public disclosure, depicts the locations of 

those historic properties.

B. The surveys covered the proposed turbine corridors, roads, and other project facilities, and 

considerable buffer areas around those facility locations because specific locations of the turbines within 

the corridors and other project facilities have not been precisely determined. In consultation with BLM, 

BP Wind Energy will complete a detailed assessment of micro-site-specific impacts in conjunction with 

preparation of final designs and prior to receiving any notice to proceed with construction. As final designs 

are prepared, BP Wind Energy will work to avoid direct or indirect impacts on historic properties where 

feasible to do so. In consultation with BLM, BP Wind Energy will complete a detailed assessment of 

impacts in conjunction with preparation of final designs. The assessment will be reviewed pursuant to 

Stipulation V.
Mohave County Wind Farm Memorandum of Agreement 4

C. If during final design BP Wind Energy identifies any construction impact zones that extend 

beyond the areas that were intensively surveyed for cultural resources, BP Wind Energy will arrange, in 

coordination with BLM, for supplemental Class III inventory to identify and evaluate cultural resources 

that could be affected. The methods used for supplemental survey and evaluation of National Register 

eligibility would be consistent with those used for the Class III survey and conducted in accordance with 

BLM and SHPO standards. Supplemental survey reports would be reported and reviewed pursuant to 

Stipulation V. BLM will make determinations of National Register eligibility considering comments from 

the consulting parties. 

Stipulation III. Historic Properties Treatment Plan (HPTP)

A. At the direction of BLM, BP Wind Energy shall prepare and implement a Historic Properties 

Treatment Plan (HPTP) to avoid, reduce, or otherwise resolve adverse effects, if any, to historic properties 

within the APE for direct construction and indirect visual impacts. The treatment plan shall emphasize 

avoidance, protection, and long-term monitoring of avoided historic properties; scientific data recovery

from unavoidable historic properties, and, as applicable, other measures to reduce or mitigate adverse 

effects that cannot be avoided. BP Wind Energy shall implement the HPTP only after it is reviewed in 

accordance with Stipulation V and BLM issues a notice to proceed. At a minimum, the HPTP shall include 

the following components.

B. Data Recovery Research Design

This plan for recovering and preserving artifacts and information shall include:

1. Descriptions of historic properties or portions of historic properties where treatment will be 

carried out through scientific investigation;

2. Descriptions of historic properties or portions of historic properties that will be avoided but 

considered as part of the historic context for the research design;

; 3. Results of previous relevant research;

4. Research problems or questions to be addressed with an explanation of their relevance and 

importance within historic contexts, which will include prehistoric and historic Native 

American use of the White Hills and Detrital Valley;

5. Field and laboratory analysis methods to be used and how they apply to the research goals;

6. Provisions for disseminating research findings to professional peers in a timely manner; and

7. Methods to be used in management of data and collections, including curation of recovered 

materials and records in accordance with 36 CFR part 79.

C. Monitoring and Discovery Plan

The HPTP shall include a monitoring and discovery plan. The monitoring component will specify 

procedures for inspection and protection of avoided historic properties during construction and through the 

life of the project to ensure that they are not damaged. The monitoring component also will include 

procedures for checking for unanticipated indirect impacts due to factors such as erosion, vandalism that 

might stem from better vehicle access to currently remote areas, or other factors. The plan will include 

opportunities for tribal participation or review of the monitoring.

The discovery component of the plan shall specify procedures for evaluating and treating any 

previously unrecorded archaeological resources that might be identified in conjunction with monitoring 
Mohave County Wind Farm Memorandum of Agreement 5

during construction, operation, and decommissioning of the proposed wind farm or that might be 

discovered by BP Wind Energy personnel or contracted personnel. The discovery plan shall stipulate that 

BP Wind Energy immediately report discoveries to BLM and implement measures to protect discoveries 

while they are evaluated. BP Wind Energy shall coordinate with BLM to evaluate the National Register 

eligibility of any discoveries and to propose treatment. Pursuant to 36 CFR part 800.13(b)(3), BLM shall 

notify the consulting parties within 48 hours of the discovery to consult on eligibility under the National 

Register criteria, and if determined eligible, to assess impacts and develop a treatment plan if warranted.

BP Wind Energy shall implement the treatment plan agreed to by BLM and SHPO. Once the fieldwork 

component of the treatment plan is completed, BP Wind Energy shall prepare a preliminary letter report to 

document any fieldwork and propose a schedule for completing a full report. BLM will distribute the letter 

report to the consulting parties for review pursuant to Stipulation V, and issue a notice to proceed with 

additional ground-disturbing activities at the location of the discovery only after BLM determines the letter 

report is adequate.

Prior studies have found no human burials, funerary objects, sacred objects, or objects of cultural 

patrimony in the project area, but if such remains or objects are discovered, BP Wind Energy will 

immediately cease work in the area of the discovery, take steps to protect the discovery, and notify BLM

within 24 hours by telephone followed by written confirmation. BLM will address any such discoveries 

pursuant to a plan of action prepared pursuant to the Native American Graves Protection and Repatriation 

Act of 1990 (Pub. L.101-601, 25 U.S.C. §3001-3013, 104 Stat. 3048-3058).

D. Cultural Resource Sensitivity Training for Project Personnel

In coordination with BLM, BP Wind Energy will develop and implement cultural resource 

sensitivity training for personnel working on the wind farm to explain the sensitivity and importance of 

avoiding damage to cultural resources, and to ensure they understand procedures for reporting and 

protecting unrecorded archaeological resources or human remains and associated objects that might be 

discovered. Tribes will be given opportunities to participate in the sensitivity training, which could be 

delivered in a variety of ways, including training sessions, video programs, or brochures.

E. Public Outreach and Education

A strategy for public outreach education shall be developed to disseminate information to the 

tribes, students, or general public about the cultural history and cultural resources of the project area, 

including the results of any scientific investigations. BP Wind Energy will develop the strategy in 

coordination with BLM, the Hualapai Tribe, and other interested tribes, giving consideration to issues of 

confidentiality in accordance with Stipulation VII.C.

Stipulation IV. Initiation of Construction Activities

A. BLM and Reclamation may issue a series of notices to proceed with development and 

construction of the different components of the project. Consideration of cultural resources in issuing 

notices to proceed shall adhere to the following conditions:

1. If BLM has determined that there are no historic properties within the APE for construction 

impacts of the applicable project component, notices to proceed could be issued without 

further consultation.

2. If there are historic properties within the APE for construction impacts of the applicable

project component, where adverse effects will be mitigated through avoidance, data recovery 

treatment, or other means as determined through consultations, BLM shall not issue a notice 
Mohave County Wind Farm Memorandum of Agreement 6

to proceed until required avoidance provisions are implemented or a preliminary letter report

of data recovery or other treatment has been reviewed pursuant to Stipulation V and 

determined by BLM to be acceptable.

B. Construction activities authorized by notices to proceed will be subject to the requirements for 

addressing any unanticipated discoveries pursuant to the monitoring and discovery plan prepared pursuant 

to Stipulation III.C. 

Stipulation V. Reporting and Review

Plans and reports prepared in accordance with this MOA shall be consistent with standards and 

guidelines identified in Stipulation VII.B. Those documents could include (1) detailed assessment of 

impacts, (2) HPTP, (3) preliminary letter reports of treatment of historic properties, (4) preliminary letter 

reports of supplemental surveys, (5) data recovery reports, (6) supplemental survey reports, (7) letter 

reports of evaluation and proposed treatment of any discoveries, (8) annual reports, and (9) public outreach 

and education materials. BLM shall forward draft plans, reports, and other documents to the consulting 

parties for review and notify them of the review period, which shall be 30 calendar days, except for letter 

reports of supplemental surveys, which shall have a review period of 15 days if the surveys found no 

archaeological or historical sites. Review periods may be modified if the signatories and invited signatories 

agree to a shorter or longer period for specific plans, reports, or other documents.

Any consulting party that fails to comment within the review period shall be considered to have 

concurred with the report. BLM shall consider comments received within the review period and consult 

with reviewers as necessary to resolve any differences or disagreements. BLM shall ensure that all 

comments are responded to or reports are revised in response to review comments, as appropriate. BLM 

shall ensure that copies of final plans and reports are provided to the consulting parties.

If BLM determines that comments on any plans, reports, or other documents required are so 

substantial that a revised draft is warranted, BLM will direct BP Wind Energy to prepare a revised draft 

and BLM will distribute the revised draft and provide an additional 30 days (or 15 days for preliminary 

letter reports of supplemental surveys that identify no archaeological or historical sites) for review. 

Stipulation VI. Annual Review of Memorandum of Agreement Implementation

Each year following the execution of this MOA until it expires or is terminated, BP Wind Energy, 

in coordination with BLM, shall prepare a summary annual report of work undertaken pursuant to this 

MOA. Annual reports shall summarize accomplishments, including documentation of the implementation 

and results of monitoring. The annual reports also shall discuss any problems encountered, identify any 

disputes and objections, and outline a schedule of planned activities for the coming year. BP Wind Energy 

shall submit the annual reports to BLM within 1 month of the anniversary of the effective date of this 

MOA, and BLM will distribute the annual reports to the consulting parties for review pursuant to 

Stipulation V. If any concerns lead to disputes, they shall be addressed pursuant to Stipulation XI.

Stipulation VII. Standards

A. Professional Qualifications:

1. All actions prescribed by this MOA that involve the identification, evaluation, analysis, 

recordation, treatment, monitoring, and disposition of historic properties and that involve the 

reporting and documentation of such actions in the form of reports, forms or other records, 
Mohave County Wind Farm Memorandum of Agreement 7

shall be carried out by or under the direct supervision of a person or persons meeting at a 

minimum, the Secretary of the Interior’s Professional Qualifications Standards for 

archaeology, history, or architectural history, as appropriate (48 Federal Register 44738-

44739). Nothing in this stipulation precludes any party qualified under the terms of this 

paragraph from using the services of properly supervised persons who do not meet the

Secretary of the Interior’s Professional Qualifications Standards.

2. All archaeological investigations on federal land managed by BLM and Reclamation will be 

performed in accordance with permits issued by the agency having jurisdiction. Excavation 

and removal of any archaeological materials from federal land would be done pursuant to 

permits issued by BLM or Reclamation in accordance with the Archaeological Resources 

Project Act of 1979, as amended (16 U.S.C. § 470aa-470mm).

B. Reporting and Documentation Standards:

1. Plans and reports prepared pursuant to this MOA shall conform in every reasonable extent 

with the Secretary of the Interior’s Standards and Guidelines for Archeology and Historic 

Preservation (http://www.nps.gov/history/local-law/arch_stnds_0.htm), and applicable 

standards and guidelines established by BLM and Arizona SHPO.

2. The HPTP shall be consistent with the Secretary of the Interior’s Standards for the 

Treatment of Historic Properties (36 CFR part 68), the Secretary of the Interior's Standards 

and Guidelines for Archeology and Historic Preservation (http://www.nps.gov/history/ 

local-law/arch_stnds_0.htm), and the Advisory Council’s 1980 publication Treatment of 

Archaeological Properties: A Handbook.

C. Confidentiality

As may be requested by an Indian tribe during consultation, BLM and Reclamation will strive to 

maintain confidentiality of sensitive information regarding historic properties to which an Indian tribe 

attaches religious or cultural significance. The consulting parties acknowledge, however, that any 

documents or records that BLM or Reclamation has in its possession are subject to the Freedom of 

Information Act (FOIA) 5 U.S.C. § 552 et seq., and its exemptions, as applicable. As such, FOIA requests 

for particular records and/or documents will be determined on a case-by-case basis. In the event that a 

FOIA request is received for records or documents that relate to a historic property to which an Indian tribe 

attaches religious or cultural significance and that contain information that the Federal agency is authorized 

to withhold from disclosure by other statutes including the NHPA, 16 U.S.C. § 470w-3, and the 

Archaeological Resources Protection Act, 16 U.S.C. § 470hh, then, prior to making a determination in 

response to such a FOIA request not to withhold particular records and/or documents from disclosure, the 

Federal agency will consult with such tribe.

Stipulation VIII. Curation

BLM shall ensure that all collected materials and records resulting from implementation of the 

HPTP are curated in Arizona in accordance with 36 CFR part 79, except for any human remains and 

cultural objects repatriated pursuant to the Native American Graves Protection and Repatriation Act.

Stipulation IX. Funding

BP Wind Energy shall bear the expense of preparation and implementation of the HPTP including 

identification, evaluation, and treatment of all historic properties determined by BLM to be directly or 
Mohave County Wind Farm Memorandum of Agreement 8

indirectly affected by project activities. Such costs could include, but not be limited to any required 

supplemental cultural resource survey, pre-fieldwork planning, fieldwork, post-fieldwork analyses and 

related research, protection and treatment of discoveries, report preparation, and curation, as well as 

cultural resource sensitivity training for project workers, public outreach and education, and any other 

deliverables identified by the HPTP.

Stipulation X. Amendment of this Memorandum of Agreement

This MOA may be amended when such an amendment is agreed to in writing by all signatories

and invited signatories following consultation with concurring parties. The amendment will be effective on 

the date BLM files a copy with the Advisory Council signed by all signatories and invited signatories.

Stipulation XI. Dispute Resolution

A. Should any signatory, invited signatory, or concurring party to this MOA object at any time to 

any actions proposed or the manner in which the terms of this MOA are implemented, BLM shall consult 

with the party to resolve the objection. 

B. If BLM determines that such objection cannot be resolved, BLM shall:

1. Notify the SHPO of the objection and solicit the SHPO’s advice.

2. Forward all documentation relevant to the dispute, including BLM’s proposed resolution, to 

the Advisory Council. The Advisory Council shall provide BLM with its advice on the 

resolution of the objection within 30 days of receiving adequate documentation. If the 

Advisory Council does not provide its advice regarding the dispute within the 30-day period,

BLM may make a final decision on the dispute and proceed accordingly.

3. Prior to reaching a final decision, BLM shall prepare a written response that takes into 

account any timely comments regarding the dispute from the signatories, invited signatories,

and concurring parties to the MOA, and provide them and the Advisory Council with a copy 

of such written response.

4. BLM’s responsibility to carry out all other actions subject to the terms of this MOA that are 

not the subject of the dispute will remain unchanged.

Stipulation XII. Review of Public Objections

If a member of the public should object to any measure being implemented under this MOA, BLM 

will take the objection into account and consult as needed with the objecting party and the signatories and 

invited signatories to resolve the objection.

Stipulation XIII. Requirements for Arizona State Historic Preservation Office 

Participation

A. Conflict of Interest

This MOA is subject to cancellation by the state under A.R.S. § 38-511 if any person with 

responsibility for implementing the MOA on behalf of the state is an employee or consultant of BP Wind 

Energy at any time while the MOA or any extension of the MOA is in effect.
Mohave County Wind Farm Memorandum of Agreement 9

B. Non-availability of Funds

This MOA shall be subject to available funding, and nothing in this MOA shall bind the state and 

federal parties to expenditures in excess of funds appropriated and allocated for the purposes outlined in 

this MOA.

C. Records

The parties agree that this MOA does not involve the furnishing of goods, equipment, labor, 

materials, or services to the State of Arizona or any of its agencies, boards, commissions, or departments, 

and therefore that A.R.S. §§ 35-214 and 35-215 do not apply.

D. Arbitration

The parties agree to utilize any non-binding arbitration that is required under applicable court 

rules.

E. Non-Discrimination

In accordance with A.R.S. § 41-1 461, any contractor working under this MOA shall provide 

equal employment opportunities for all persons, regardless of race, color, creed, religion, sex, age, national 

origin, disability or political affiliation, and shall comply with the Americans with Disabilities Act.

F. Applicable Law

This MOA shall be governed by and construed in accordance with the laws of the State of Arizona

and any applicable Federal law.

G. This MOA may be executed in counterparts each of which shall be deemed an original and all 

together shall constitute one and the same instrument.

Stipulation XIV. Termination of this Memorandum of Agreement

A. If any signatory or invited signatory to this MOA determines that its terms will not or cannot be 

carried out, that party shall immediately consult with the other parties to attempt to develop an amendment 

in accordance with Stipulation X. If within 30 days (or other time period agreed to by all signatories and 

invited signatories) an amendment that will satisfactorily address resolution of adverse effects cannot be 

developed, any signatory or invited signatory may terminate the MOA upon written notification to the 

other signatories.

B. If the MOA is terminated, BLM must either:

1. Execute an MOA pursuant to 36 CFR part 800.6 or 

2. Request, take into account, and respond to the comments of the Advisory Council under 

36 CFR part 800.7 prior to work continuing on the undertaking.

BLM shall notify the signatories and invited signatories as to the course of action that BLM will pursue.


Moapa Band of Paiute Indians
 

By: Date:
 

Title: 

San Juan Southern Paiute Tribe
 

By: Date:
 

Title: 

Yavapai-Apache Nation
 

By: Date:
 

Title: 

Yavapai-Prescott Indian Tribe
 

By: Date:
 

Title: 

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01 93 04 03 ¤ 06 05 04 03 02 01 06 27N T. 

02 05 04 03 

09 No warranty is made by the Bureau of Land Management (BLM) 10 11 for the use of this map for purposes not intended by BLM, or to 07 09 10 the accuracy, reliability, or completeness of the information 11 12 07 08 

12 08 

09 Proposed Project shown. Spatial information may not meet National Map Accuracy 10 11 

Standards. This information may be updated without notification. Facility Locations 

15 14 Figure 2 13 18 17 16 15 Base Map Source: BLM 2009-2010, ALRIS 2007-2008, ESRI 2008, NHD 2008, Project Area Boundary and Facilities: BP Wi 14 

Transmission Lines Source: Platts, A Division of the McGraw-Hill Compani Inc. - POWERmap (Platts analytical database: 

nd Energy North America 2011 

2009) 13 18 17 16 15 

Mohave County Wind Farm Project es, 

22 23 24 19 20 21 Legend 

Mohave County Wind Farm Project Area Facility Location Options

Substation 

Planned Development Community 

#* Existing Temporary Met Tower National Park Service 

Proposed Wilderness  ̄ ! Potential Turbine Location Switchyard 

P:\ENVPLANNING\BP Wind AZ\23445692_BPMohave\GIS\mxds\Cultural\MOA_2102\Project_Facility_Locat.mxd RDS 9/4/2012 1:01:28 PM 

Township and Range 

Boundary 

Turbine Corridor Transmission Line 

Proposed Facility Access Corridor Surface Management 0 1 

Section Boundary Facility Access Corridor (Existing) Bureau of Land Management ! Miles ! Existing Transmission Line Operations and Maintenance Building National Park Service 

Wash Laydown/Staging Area Bureau of Reclamation 

Road State Trust Land Assumption: Turbine layout represents a 2.3MW turbine #* Mountain Summit or other turbine with a 113-meter rotor diameter. Private Land 

23 

14 

23 

26 

02 

14 
Mohave County Wind Farm Memorandum of Agreement 15

Table 1. Estimated Maximum Extent of Disturbance1

Project Components2 Estimated Maximum Area of Disturbance Acres

maximum of 283 wind turbines 1.85 to 2.50 acres each depending on model 

used

561

maximum of 26 permanent and/or temporary 

meteorological towers

1.6 acres each 42

2 temporary materials laydown/equipment storage/batch 

plant areas 

10 acres each 20

2 electrical substations 5 acres each 10

an electrical switchyard for interconnect with the LibertyMead 345-kilovolt transmission line or Mead-Phoenix 

500-kilovolt transmission line

about 900 by 1,500 feet for 500-kilovolt 

substation; about 12 acres of disturbance for 

345-kilovolt substation

37

up to 5 miles (8 kilometers) of interconnect transmission 

line

8 structures per mile, radius of 100 feet per 

structure

29

improvement of up to 4.5 miles (7.2 kilometers) of 

existing roads for access and buried or overhead electrical 

collector, communication, and utility lines (facility 

corridor)

56 feet wide (20 feet assumed to be 

disturbed), 4.4 acres of disturbance per mile

20

development of up to 110 miles (177.0 kilometers) of new 

access roads and buried or overhead electrical collector,

electrical distribution, communication, and utility lines as 

well as a temporary water line (facility corridor)

56 feet wide, 6.8 acres of disturbance per mile 747

operations and maintenance building up to 5 acres 5

total potential ground disturbance 1,471

square miles 2.3

NOTES: 1The estimates are based on preliminary engineering and will be refined as final designs are prepared.

2An aggregate source also would be used but it was previously permitted and developed by others.
Mohave County Wind Farm Memorandum of Agreement 16

Table 2. Potential Impacts on Historic Properties1

Site Number, Name

Affiliation, 

Age Site Type

Features, 

Artifact Counts Site Size

Preliminary Assessment of 

Impact

1 AZ F:3:25(ASM) aboriginal toolstone collecting 

and knapping

Features: 1 anvil stone 

(embedded boulder), 

Artifacts = 25

less than 

0.1 acre

along Temple Bar Back Road 

that would be used as a facility 

corridor but likely to be avoided

2 AZ F:3:26(ASM) aboriginal toolstone collecting 

and knapping

Features: none 

Artifacts: 37

0.1 acre along Squaw Peak Road that 

would be used as a facility 

corridor but likely to be avoided

3 AZ F:3:31(ASM) aboriginal, 

Archaic

toolstone collecting 

and knapping

Features: 1 knapping 

station 

Artifacts: 3,000 

(estimated)

20.0 acres in turbine corridor, probable 

adverse effect depending on 

tower and access road placement

4 AZ F:3:32(ASM) aboriginal toolstone collecting 

and knapping

Features: none 

Artifacts: 3,000 

(estimated)

2.1 acres in turbine corridor, possible 

adverse effect depending on 

tower and access road placement

5 AZ F:3:33(ASM) aboriginal toolstone collecting 

and knapping

Features: 9 knapping 

stations 

Artifacts: 113

1.1 acres in turbine corridor, possible 

adverse effect depending on 

tower and access road placement

6 AZ F:3:34(ASM) aboriginal toolstone collecting 

and knapping

Features: none 

Artifacts: 7,000 

(estimated)

1.5 acres in turbine corridor, possible 

adverse effect depending on 

tower and access road placement

7 AZ F:3:35(ASM) aboriginal toolstone collecting 

and knapping

Features: none 

Artifacts: 2,000 

(estimated)

0.7 acre in turbine corridor, possible 

adverse effect depending on 

tower and access road placement

8 AZ F:3:36(ASM) aboriginal toolstone collecting 

and knapping

Features: 5 knapping 

stations 

Artifacts: 199

0.8 acre in turbine corridor, possible 

adverse effect depending on 

tower and access road placement

9 AZ F:3:37(ASM) aboriginal toolstone collecting 

and knapping

Features: none 

Artifacts 8,000 

(estimated)

2.3 acres in turbine corridor, possible 

adverse effect depending on 

tower and access road placement

10 AZ F:3:43(ASM) 

Stone’s Ferry 

Road

EuroAmerican, 

late 19th 

century

historical road with 

campsites and 

artifacts

Features: 3 possible 

campsites

Artifacts: scattered 

along the road

11.5 miles 

long, 

0.1 mile 

surveyed

crossed by proposed main 

access road; probably no 

adverse effect

NOTE: 1 All sites have been evaluated as eligible for the National Register of Historic Places under Criterion D for their potential 

to yield important information. Ongoing consultation could determine that these sites are eligible under additional criteria.