# JB^^ESO^CE

S -.-.• •' <

..;-• % • • • •-•.'--.

. •:

- •-.=.•;.;-•..'..•. •
..:- , '•:*• • - X- V ^ J M J

. ^/:a-V i *.M~t *-\iJL-i*~r-*~r

^/^.v^^^-<K

^

: ..;- , •. , •

. . • ; , 

# ^^mIT•IG^I()t^I^^>S-: ; 

# ^l£^ ^ r>< , ;••••*•;-;/-.:,,

. " • :-••.•••'•:::• • :A-v-- ^ \; ^ -:/•"-.:.•.•;
, •:• •,.••.

- ^'-"-y^-.v-'A ^



# - —"-CTED MIN E \VA$T E
•

. •

. - . - v

. •> , ?

.

- • '>-,-• " :•••'•"

.



### - .••••.' • •:

. - - ;^:---:.-:^--.\
-.- . •

.' ^

. ••->•;-;;-,•.---

. v'..-;; - •v', i 

### > i 

### : . .««•«"•?»**«•« *

. I 

### T.-

.'' • , .v - --:--'- - /^.v.^^r^y^- : 

# • ; 

# -:-^^>:^-# ^ ;

# '^:i^¥;S^;-y^^^fe^^^a ^ 

# S;;-;;V:'^,,^F^-;V

: 

# ^;^^:;> ^

r 

# ''l'Y^';^^-r,

: 

# ;:;;:^;,::i;^•^;•^^:'\:^;;:?• A 

# r : 

# ^v^>;^,;: ? 

# ^i:;;;;,;
; 

# s ^ 

# i^^: - :^ : 

# : :



# - . ^^^^^^
^ ;^^i^
i

- » J .•-• •

. . • -.'•'' -. V ..;-i' :

. •.;.-•" • ••' ."-' :' <•:•:-: • -'•-" , ••.^,- : .--' v

- , :

- •\-~''~.'.'."'-\ i'."

-

--'•..;

. :' ; :

; , \-.•••..-".-'

- '-'•'','-".."•-•

. V.'-.':".

. •'

. •"'.•;''.''. • ^ " •••'•'.•'...•' -".•'.

- :

- '..'-.' • '}'•• • -,•.•..-••.•.';'•-" ;': 1

. 1

-

'•'..•'•-' • .'•'•.•,••'. • ''•-' • '';-'^ : .v" ;

: : •'.' • -' - : : . .-•'%•,.' • ;•

. , • •

. '\, :

. ;;•''•'•;:•/',--

- =: • v • ; ..•.'',-..••;..•; •

-/.••./.'-.•-•-

.

## FINA L

u 

## CULTURA

L RESOURCE S MITIGATIO

N PLA N F O R SELECTE D MIN E WAST E PILES

, L 

## OPERABL E UNI T 9, 

## CALIFORNI A GULC H SUPERFUN D SITE

, L 

## LAK

E COUNTY

, COLORAD O
DAVI D KILLA M PREPARE D UNDE R TH E SUPERVISIO N O F MARILY N MARTORANO

, P.I

. 

### Submitted to Asarco, Inc. 495 East 51st Avenue Denver, CO 80216-2098 

### By Foothill Engineering Consultants, Inc. 

### 350 Indiana Street, Suite 415 Golden, CO 80401 (303) 278-0622 

### email: fec@rmi.net Foothil l Engineerin g Consultants

, Inc

. Cultura l Resource s Repor t No

. 3 1 

### September

, 199 7 (93-603 )Final Mitigation Plan Lake County, Colorado 

### TABL E O F CONTENT S 

### Sectio n pag e 1. 0 INTRODUCTIO

N
- PURPOS E AN D NEED............................................................

.

1 2. 0 PROPOSE D ACTIONS.............................................................................................

. 3 

### 3. 0 DETERMINATIO

N O F EFFEC T

.............................................................................. 4 4. 0 MITIGATIO

N MEASURES....................................................................................... 5 

### 4. 1 CONTRIBUTIN

G LANDSCAP E FEATURES................................................. ^ 4. 2 MITIGATIO

N O F CONTRIBUTIN

G RESOURCE S

........................................

5 4. 3 INDIVIDUALL

Y ELIGIBL E PROPERTIES...................................................

. 6 4.3. 1 Sit e 5LK868-Coronad

o Mine................................................................... 6 4.3. 2 Site5LK875-TurbotMine........................................................................ 9 

### 5. 0 DISCOVER Y DURIN G REMOVA L ACTIONS......................................................

.

1 2 6. 0 REFERENCES......................................................................................................... ^

LIS T O F TABLE S 

### Tabl e Pag e Tabl e 1

. Managemen t Summary..................................................................................

. 4 Tabl e 2

. Mitigatio n Summary....................................................................................

. 1 1 

### LIS T OF FIGURES 

### Figure s Pag e 1 Ma p o f Min e Wast e Piles

, OU9............................................................................... 2 2 Sit e 5LK868 - Genera l Sit e Map............................................................................

. 7 3 Sit e 5LK868 - Detai l Sit e Map...............................................................................

. 8 4 Sit e 5LK87 5 - Genera l Sit e Map..........................................................................

. 1 0 

### LIS T OF APPENDICES 

### Appendi x A Stat e Historic Preservatio n Office r Concurrence Lette r B Lak e Count y Histori c Preservatio n Advisor y Boar d Eligibilit y Revie w Comment s C EP A Eligibilit y Determinatio n Lette r D Lake Count y Boar d o f Count y Commissioner s Comment s an d Response s t o Comment s E Stat e Historic Preservatio n Office r Comment s an d Response s t o Comment s

D;\CULTURALM993W3-603\MV*UT.NE WFinal Mitigation Plan Lake County, Colorado

1 . 0 INTRODUCTIO

N
- PURPOS E AN D NEE D O n Augus t 15 , 1996 , th e U.S

. Environmenta l Protectio n Agenc y (EPA ) issue d a n Actio n Memorandu m selectin g th e Remova l (Response ) Actions fo r remediatio n o f Min e Wast e Roc k Piles i n Residentia l Populate d Areas
, Operabl e Uni t 9 (O U 9 ) o f th e Californi a Gulch Superfun d Site

. Base d o n th e evaluatio n o f alternatives contained i n th e Engineerin g Evaluation/Cos t Analysi s (EE/CA[Golde r 1995])
, th e Memorandu m direct s Asarc o t o remov e th e min e wast e roc k pile s tha t excee d 3,50 0 pp m lead withi n thei r "are a o f responsibility " i n O U 9

. A s a part o f th e Remova l Action
, EP A ha s directe d Asarco t o prepar e thi s pla n t o mitigat e an y advers e effect s t o cultural resource s a s a resul t o f th e Action

. Twent y three min e wast e pile s i n O U 9 potentiall y requirin g remediatio n wer e examined and recorde d b y Foothil l Engineerin g Consultants

, Inc

. (FEC ) i n 199 5 (Figur e 1)

. Th e result s are documente d i n th e repor t title d "Cultural Resource s Investigation s o f Selecte d Min e Wast e Piles

, Operabl e Uni t 9, Californi a Gulc h Superfun d Site

, Lak e County

, Colorado. " (Killa m 1995)

. Archiva l researc h wa s conducte d t o documen t period s o f operatio n fo r th e mines , an d t o establish i f an y o f th e mine s wer e associate d wit h significan t person s o r events

. A detaile d descriptio n o f th e physica l remain s an d th e result s o f th e archiva l researc h fo r eac h resourc e ar e include d i n th e report ; thes e ar e no t repeate d i n thi s plan

. Ninetee n resources, comprise d o f th e 23 min e wast e piles
, wer e recorded

. Fou r o f th e resource s wer e recommende d a s eligibl e fo r th e NRH P and/o r contributin g t o th e Leadvill e Histori c Minin g District

, 5LK856

, (Th e District)

. The differenc e betwee n the numbe r o f pile s and the numbe r o f resource s reflect s th e fac t that severa l resource s contai n mor e tha n on e pile
, i.e

. th e Coronad o Min e (5LK868 ) i s comprise d o f pil e # s 16,17 , an d 18

. I n a Januar y 12 , 1996 correspondenc e t o the EP A the Stat e Histori c Preservatio n Office r (SHPO ) presente d a n opinio n tha t 1 5 o f th e recorded resource s contribut e t o th e District (Appendix A)

. Sectio n 10 6 o f th e Nationa l Histori c Preservatio n Ac t (NHPA ) clearl y place s the responsibilit y fo r makin g eligibilit y determination s o n the federa l agency , i n

O:\CULTURAL\1993\93-603\MWMrr.NEWNORTH

SCAL E I N FEET 

## \ r * 25 0 50 0 100

0 CUEKT/PROJEC T 

### CALIFORNI A GULC H 

### LEADVILLE

, C O Denver

, Colorad o TIT U 

## MIN E WAST E PILE S
DRAW N RL B CHECKE D REVIEWED DAT E DE C 199 4 I ^ ^ A S SHOW N P* N °-2B19B00 2 J OB

NO

. 943-281 9 D W G NO./REV.KO

. B00 2 FWUR E Figur e 1

. Ma p o f Min e Wast e Piles

, OU 9Final Mitigation Plan Lake County, Colorado
thi s cas e EPA

. Wit h concurrenc e fro m th e SHPO

, EP A verball y determine d tha t 1 5 o f th e resource s recorded durin g th e inventor y ar e considere d contributin g t o th e Leadvill e Historic Minin g District

, 5LK85 6 (th e District)

. Despit e thi s verba l determination
, th e EP A Actio n Memorandum
, date d Augus t 15,1996 , include d referenc e t o onl y the fou r originall y recommende d eligibl e and/o r contributin g resources
. Writte n documentatio n
o f EPA's determination s wa s receive d i n December

, 1996 , whe n EP A agreed i n writin g wit h the SHP O opinio n o n eligibility

. On e o f th e 1 5 contributin g resources, 5LK868 th e Coronad o Mine
, i s considere d individuall y eligibl e fo r listin g o n th e Nationa l Registe r o f Histori c Place s (NRHP)

, an d another
, 5LK875

, require s limite d testin g t o determin e individua l eligibility

. Th e remainin g resource s are no t individuall y eligibl e for th e NRHP

, bu t hav e bee n determine d t o b e contributin g feature s o f th e landscap e o f th e District

. Tabl e 1 , Managemen t Summary

, list s al l 2 3 wast e pile s examine d an d thei r correspondin g resourc e number
, eligibilit y status and remova l status

. This pla n includes the measure s necessar y t o mitigat e advers e effect s t o al l resource s schedule d for remova l i n accordance wit h th e Actio n Memorandu m tha t hav e bee n determine d t o b e (o r potentiall y be ) eligibl e fo r th e NRHP

, and/o r contributin g t o th e District

.
2 . 0 PROPOSE D ACTION S The Min e Wast e EE/C A analyze d severa l remediatio n alternatives an d recommende d

remova l o f th e wast e pile s a s th e preferre d alternativ e t o achiev e th e desire d result s i n th e mos t cos t efficien t manne r (Golde r 1995)

. The EP A Actio n Memorandu m selecte d thi s alternativ e fo r th e remova l action

. O f th e 1 5 pile s determine d eligibl e b y EPA

, 1 4

mee t th e criteri a fo r th e remova l action

.

O:\CU.TURAL M 993\93-603\uwmrr.NE WFinal Mitigation Plan Lake County, Colorado 

### Tabl e 1

. Managemen t Summar y



## L MWP1 3 MWP1 4 MWP1 5 MWP1 6 MWP1 7 MWP1 8 MWP1 9 MWP2 0 MWP2 2 MWP2 4 MWP2 6 MWP2 7 MWP2 8 MWP3 2 MWP3 3 MWP3 5 MWP10 8 MWP10 9 MWP11 0 MWP11 1 MWP14 0 MWP20 7 MWP34 0 Este

y Hibschl e Hibschl e Coronad o Coronad o Coronad o Wolcot t Mida s Gra y Eagl e Ken t Pocahontas Stair/Laz y Bil l Star r Pocahonta s Weldo n Midlan d Turbo t Hope/Las t Chi p Luzeme Ypsilant i Ypsilant i Boh n P.O.S

. 

# iiiiiiiii i 5LK86 7 5LK87 8 5LK87 8 5LK86 8 5LK86 8 5LK868 5LK87 9 5LK86 9 5LK87 0 5LK87 1 5LK88 0 5LK88 1 5LK88 1 5LK87 2 5LK87 3 5LK87 4 5LK87 5 5LK88 2 5LK88 3 5LK88 4 5LK87 6 5LK88 5 5LK87 7 Non-Contributin

g Contributin g Contributin g Eligibl e Eligibl e Eligibl e Non-Contributin g Contributin g Contributin g Contributin g Contributin g Non-Contributin g Non-Contributin g Contributin g Contributin g Contributin g Potentiall y Eligibl e (Need s Data ) Contributin g Non-Contributin g Contributin g Contributin g Contributin g Contributin g N

o Actio n Remova l Remova l Remova l Remova l N o Actio n Remova l N o Actio n Remova l Remova l Remova l N o Actio n Remova l N o Actio n N o Actio n N o Actio n Remova l Remova l Remova l Remova l Remova l N o Actio n N o Actio n

3 . 0 DETERMINATIO

N O F EFFEC T Unde r Sectio n 10 6 o f th e NHPA
, i t i s th e responsibilit y o f th e agenc y (EPA ) t o conduc t th e Assessmen t o f Effec t t o determine what
, i f any , effect s th e agenc y action s wil l hav e
o n cultura l resources
. Onl y those resource s determine d t o b e (o r potentiall y be ) individuall y eligibl e fo r th e NBH P and/o r contributin g t o th e District an d schedule d fo r remedia l actio n nee d t o b e assessed for effect

. Resource s determine d not eligibl e for the NRH P and/o r no t contributin g t o th e District requir e n o mitigation

. A n action i s considere d t o hav e a n advers e effec t whe n i t change s thos e characteristic s fo r whic h th e

aVXHTURAL\1993\93403\MWMT.NE Wfinal Mitigation Plan Lake County, Colorado

. sit e i s eligibl e (o r potentiall y eligible)

. Thus
, action s ca n b e performe d o n a sit e an d b e *• * considered

t o hav e n o advers e effect
, dependin g upo n th e specifi c actio n an d sit e ; characteristics

.

I n th e cas e o f th e min e wast e piles
, EP A ha s no t performe d a n *

- Assessmen t

o f Effec t prio r t o directin g th e PR P (Asarco ) t o prepar e a mitigatio n plan

.

. Fo r purpose s o f thi s mitigatio n plan
, i t i s assume d tha t th e propose d action s woul d hav e *

- a n advers e effec t o n al l eligibl e an d contributin g pile s schedule d fo r removal

. L 

### 4 . 0 MITIGATION

MEASURE S 

### i L 4. 1 CONTRIBUTIN

G LANDSCAPE FEATURE S

; The typ e o f mitigatio n appropriat e fo r a resourc e depend s o n the characteristic s tha t mak e i t eligibl e and/o r contributing

. A s discusse d i n th e determinatio n concurrenc e lette r fro m SHP O (Appendi x A ) an d th e opinion s o f th e Lak e Count y Historic
^ " Preservatio n

Advisor y Boar d (Appendix B)

, th e min e wast e pile s shoul d b e viewe d i n th e contex t o f the overal l landscape
, sinc e the majorit y o f the feature s contribut e visuall y t o

— th e District

, an d ar e no t eligibl e individually

. A s th e SHP O lette r suggests , i t i s th e ; abilit

y o f thes e site s t o conve y th e "extent , types , an d location s o f minin g activit y i n th e * • district "

tha t mak e them contributing
, an d i t i s thes e characteristic s tha t requir e mitigatio n fo r adverse effect(s)

. A s such
, i t i s no t appropriat e o r necessar y t o conside r

w mitigatio n

individually ; al l o f th e resource s hav e bee n previousl y documente d

, individually

.

Mitigatio n shoul d b e conducte d t o addres s th e landscap e a s a whole
, an d *

- documen

t thos e attributes describe d b y SHP O above

. i

. 4. 2 MITIGATIO

N O F CONTRIBUTIN

G RESOURCES

, Th e pile s ca n b e roughl y separate d int o tw o groups , a nort h an d sout h group

. Pil e # s 14 , ^

- 15 , 16 , 17 , 19 , 109 , 110 , 11 1 an d 14 0 woul d b e considere d t o b e i n th e nort h group , whil e * pil e # s 22 , 24 , an d 2 6 woul d b e considered i n th e sout h group

. T o documen t th e *

— landscap e

prio r t o th e remova l o f th e contributin g min e wast e piles
, panorami c photograph s shoul d b e taken o f eac h group , showin g th e exten t an d location s o f th e pile s i

~ and thei r relationshi p t o other landscap e features

. I n addition
, detaile d photo s o f eac h contributin g pil e shoul d b e produced

. The photo s shoul d b e take n fro m vantag e point s

MCUL1URAL\1993\93403\MWMIT.NE WFinal Mitigation Plan Lake County, Colorado sufficien t t o sho w th e pile s a s clearl y a s possible
, an d i f possible
, photo s includin g al l th e pile s fro m bot h groups shoul d b e taken

. Photo s shoul d b e taken o n blac k an d whit e an d colo r film
, an d th e b/ w archivall y processed
, a s pe r Athearn' s Leve l I I documentatio n (Athear n 1994)

. Detaile d contou r map s o f al l pile s shoul d b e produced

. Al l photographi c documentation
, contou r maps , writte n description s an d previousl y complete d resourc e form s wil l b e include d i n a Mitigatio n Document

. Copie s o f th e Mitigatio n Documen t wil l b e submitte d t o the t o the Stat e Historic Preservatio n Offic e sit e file s for archiva l preservation , a s wel l a s th e Lak e Count y Publi c Library

, th e EP A

and th e Federa l Archive s and Record s Center

. Th e colo r photo s woul d b e availabl e for
a n interpretiv e display i n a public facilit y suc h a s th e Minin g Museum i n Leadville

. 4 . 3 INDIVIDUALL

Y ELIGIBL E PROPERTIES 

### 4.3. 1 Sit e 5LK868-Coronad

o Min e Th e Coronad o Mine
, 5LK868

, ha s bee n determine d individuall y eligibl e fo r th e NRH P under criterion A

. Th e min e wast e pile s associate d wit h thi s sit e ar e #16 , #17 , #18 ; onl y #1 6 an d #1 7 ar e include d i n th e remova l action

. Th e feature s an d pile s recorde d durin g sit e documentatio n contribut e t o th e abilit y o f th e sit e t o conve y th e associatio n wit h significan t events

. 

### 4.3.1. 1 Coronad o Min e Sit e Mitigatio n Remova l action s shoul d avoi d impactin g th e feature s i n th e southeas t portio n o f th e site , whic h includ e the remain s o f the hois t platform
, stea m engin e platform
, boile r foundation s and other associate d feature s (se e Sit e Maps
, Figure s 2 , 3)

. Remova l o f pil e #1 6 coul d b e performe d withou t disturbanc e o f thes e features

. This are a shoul d b e temporaril y fence d durin g remova l action s t o avoi d impactin g th e features
, resultin g i n
n o advers e effec t t o thes e features

. Photograph s hav e bee n taken o f pil e #16 , an d wil l
serv e a s documentatio n o f thi s landscap e feature

. The additiona l panorami c photo s t o b e taken o f th e composit e landscap e feature s shoul d includ e pil e #1 6 prio r t o removal

. Pil e #18 , virtuall y equa l i n siz e an d volum e t o #16 , wil l remai n i n plac e an d wil l continue t o conve y a sens e o f th e magnitud e o f th e minin g operation s tha t occurre d a t th e site

.

D:VxiTURAL\1993\93-603\MV*trr.NE

W

## L SIT E BOUNDAR Y T W O TRAC K ROA D



## CORONAD O

MIN E
- 5LK86 8 Foothtl l Engineerin g Consultants

, Inc

. DATE : 8/9 5 SCALE : l"-20 m FIGURE : X Figur e 2

. 5LK86 8 - Genera l Sit e Ma p 733C T 3Sff I f f

920

- A DATU M

Slf f BRICK (PREDOMINANTLY RED ) IRON WAL L BRACE S F O R BRIC K WALL S C O 3 WOO D MININ G TIMBER S

x x x IRO N TI E ROD S I SLA

G PIL E BULLDOZE R SWAT H CONCRET E <:••"••'V ; - V h PIN K SANDSTON E SIT E BOUNDAR Y DEPRESSIO N'

_ J

. — - APPROXIMAT

E 1 m

~ " CONTOU

R 30f f

290 T

28C T HOIS T PAD ? FEATUR E 2

STEAM ENGINE / PAD ? FEATUR E 1 FEATUR E

6 \

O-*—SIG N INDICATIN G "CORONAD O MINE "
TELEPHON E POL E A N D LIGH T POS T

ana 

## CORONAD O

MINE foothil l Engin««rin g Consultants

, Inc

. DATE : 7/9 5 SCALE : " = 10 m FIGURE : X Figur e 3

. 5LK86 8 - Detaile d Sit e Ma pFinal Mitigation Flan Lake County, Colorado Pil e #1 7 i s physicall y an d visuall y remove d fro m th e feature s o f 5LK868 b y a modern
, i

- pave d

road

. Whil e thi s pil e i s reportedl y associate d wit h th e Coronado

, observer s o f thi s

, pil e hav e n o indicatio n tha t th e Coronad o Min e wa s responsibl e fo r th e pile ; i t i s no t tied i i

- t o th e othe r portion s o f 5LK868 i n an y way . I n addition
, approximatel y on e thir d o f th e pil e ha s bee n previousl y removed
, alterin g th e origina l histori c size , shap e an d volum e •

— o f th e pile

. N o mitigatio n i n additio n t o th e panorami c landscap e photo s i s require d fo r pil e #17

. L a A n interpretiv e plaqu e o r sig n tha t includes photograph s o f al l th e associate d wast e
> pile s

a t th e sit e prio r t o remova l action s coul d b e place d a t a public facility
, suc h a s th e !_ • Minin

g Museum
, t o documen t th e physica l remain s an d significan t event s (especiall y th e 189 6 Miner s Strike ) associate d wit h th e site

. A n identificatio n sig n i s alread y i n plac e a t th e site , an d placemen t o f additiona l interpretiv e materia l a t th e sit e i s no t i recommended

; i t woul d dra w attentio n t o th e feature s an d material s i n situ , an d ma y 

### u resul

t i n increase d sit e vandalism
, sinc e th e sit e i s unprotected

. I n addition
, i unsupervise d

sit e visitatio n a s a resul t o f on-sit e interpretatio n coul d caus e lega l (liability ) concerns , sinc e th e sit e i s privately
, no t publicl y owned

.

> « Th e histor y o f th e Coronad o Min e ha s bee n researched an d documente d extensivel y an d

n o furthe r archival/historica l

researc h i s recommended

. ! 

### L

. 4.3. 2 Sit e 5LK875-Turbo t Min e ; 5LK875

, th e remain s o f th e Turbo t Mine
, consist s o f min e wast e pil e #108

. Durin g th e h » sit e documentatio n process , th e presenc e o f vandal' s (probabl y bottl e collectors ) hole s
wa s note d o n th e northwes t sid e o f th e pil e (se e Sit e Map
, Figur e 4)

. Th e hole s an d associate d material s indicat e a potentia l fo r additiona l intac t subsurfac e deposit s o f materials
, despit e th e existin g disturbances

. EP A determined
, an d SHP O concurre d (se e Appendi x A)
, tha t 5LK87 5 i s potentiall y eligible
, pendin g additiona l testin g t o | determin e

i f intac t subsurfac e material s are present

. Th e presenc e o f suc h material s i

_ coul d yiel d additiona l informatio n o n th e histori c us e o f th e area , an d ma y b e relate d t o • th e operatio n o f th e mine , or represen t domesti c occupatio n o f th e location
, possibl y pre

datin g the minin g operation

.

n\CUlTURAL\1993\93-603\MWMrT.NE W 9

## L SHAF T / DEPRESSIO N'

SIT E BOUNDAR Y ARTIFAC T CONCENTRATIO N \ \ ARE A 10 8 5LK87 5 Foothil l Engineerin g Consultants

. Inc

. Figur e 4

. Sit e 5LK87 5 - Sit e Ma pFinal Mitigation Plan Lake County, Colorado


### 4.3.2. 1 Turbo t Min e Sit e Testin g an d Mitigatio n Testin g shoul d b e conducte d t o determin e i f intac t subsurfac e material s exis t withi n th e sit e boundaries
, an d t o documen t th e natur e o f th e deposit s (i.e

. horizonta l an d vertica l extent , dates and functio n o f materials
, social/ethnic affiliation
, etc.)

. One controlle d tes t uni t (1 m X 1m)
, o r a serie s o f shove l tests , shoul d b e conducte d i n th e vicinit y o f th e vandal' s holes
, alon g th e northwest sid e o f th e pile

. I f testin g indicates tha t subsurfac e material s ar e no t present , thi s featur e woul d b e considere d a contributin g landscap e featur e bu t no t individuall y eligible
, an d mitigatio n woul d b e include d wit h th e mitigatio n o f th e othe r landscap e feature s (se e 4.2)

. I f th e testin g indicate s tha t intac t subsurfac e material s d o exist , thi s are a shoul d b e avoided durin g remova l actions

. Positiv e testin g result s ma y indicat e th e presenc e o f material s below th e wast e pil e a s well

. Monitorin g o f th e pil e removal
, a s recommende d i n th e Monitorin g discussio n o f thi s plan
, shoul d b e conducte d a t 5LK87 5 regardles s o f th e testin g results

. I f avoidanc e i s no t possible
, additiona l dat a recover y ma y b e require d t o mitigat e th e advers e effects
, dependin g o n th e result s o f th e testing

. A Dat a Recover y Pla n an d Researc h Desig n shoul d b e prepare d t o collec t additiona l dat a tha t ma y b e presen t a t th e site, prio r t o th e initiatio n o f remova l action s o r an y other disturbance

. The histor y o f the Turbo t Min e wa s researched fo r the Inventor y Report b y FE C (Killa m 1995)
, and fe w reference s wer e located

. N o furthe r archival/historica l

researc h i s recommended
, pendin g the result s o f the testing

. 

### Tabl e 2

. Mitigatio n Summar y 5LK869

. 5LK870

, 5LK871

. 5LK872

. 5LK873

. 5LK874

. 5LK876

, 5LK877

, 5LK878

, 5LK880

. 5LK882

, 5LK884

, 5LK88 5 5LK868 5LK875 

# :iii!iiiiiiiliiiiiii

i \mmmmm&^83%mmtmm*K Individuall y No t Eligible ; Contributin g t o th e District
Individuall y Eligibl e an d Contributin g t o the Distric t Potentiall y Individuall y Eligibl e and Contributin g t o th e District

. Photograp h

landscap e prio r t o remova l actions ; monitor origina l ground surface

. Photograp h landscap e prio r t o remova l actions ; Avoi d impact s t o features ; monito r origina l groun d surface

. Conduc t testin g t o determin e eligibility ; photograp h landscap e prio r t o remova l actions ; monito r origina l ground surfac e

a\CULTURAai993\93-603\MWWT.NE W 1 1Final Mitigation Man Lake County, Colorado

5 . 0 DISCOVER Y DURIN G REMOVA L ACTION S Shoul d concentrations/deposit

s o f histori c material s (artifacts ) and/o r evidenc e o f intac t feature s o r structura l remain s b e encountered durin g th e remova l activities , wor k shoul d b e halte d unti l th e remain s ca n b e examine d b y a professiona l archaeologist

. Th e presenc e o f spars e o r scattere d artifact s o r th e disturbe d remain s
o f feature s withi n th e wast e pil e i s no t caus e fo r wor k t o b e halted ; th e material s shoul d b e se t asid e fo r examination b y th e archaeologis t a t a late r date

. I f ther e i s an y question 

### a s t o th e natur e o f th e material s discovere d (densit y o f materials
, intactnes s o f features)
, th e professiona l archaeologis t shoul d b e notified

. This polic y shoul d appl y t o al l wast e pile s subjec t t o remova l actions, regardles s o f NRH P eligibilit y o r District contributin g status

. 

### 6. 0

REFERENCE

S 

### Athearn
, Frederick J

. 199 4 A Windo w t o th e Past- A View t o th e Future : A Guid e t o Phot o Documentin g Historic Places

. U.S.D. I Burea u o f Lan d Management
, Denver

, Colorado

. 

### Golde r Associate s 199 5 Min e Wast e Engineerin g Evaluation/Cos t Analysis
, Californi a Gulch Superfun d Site

, Leadvill e Colorado

. O n fil e at U.S

. Environmenta l Protectio n Agency
, Region VIII
, Denver

, Colorado

. 

### Killam
, Davi d G

. 199 5 Cultura l Resource s Investigation s o f Selecte d Min e Wast e Piles

, O n fil e a t U.S

. Environmenta l Protectio n Agency
, Regio n VIII
, Denver

, Colorado

.

D:Va*TURAU1993\93-603\KWMIT.NE W 1 2Final Mitigation Plan Lake County, Colorado



## APPENDI X A Stat e Histori c Preservatio n Office r Concurrence Lette r

0:\CU.TURAU1993\93-603WWICT.NE W

### JAN-24-9 6 WE D 09:08 A M ASARC O GLOB E PLAN T FA X NO
, 303296050 8 P

, 03/0 4

- 01/23/9 8 TC E 15:1 C FA X 30 3 29 3 123 $ RS SOTERFTO D REMEDIA L B R @00

2

i L * 

## COIDRAD O



## HISTOBIGA L SOCIET Y The Colorad o Elstoi y Museum ISOOBroadvs y Denver

, Colaiad o 80203-213 7 

### Januar y 12 , 19 9€ Us

. Rebecc a J

. Thoma s
. . " j 

### Unite d State s Environmenta l Protectio n Agenc y' ~'. "

- J Region VTl l "'

. \- : S9 9 18t h Street

, Suit e 50 0 £:,. ; ^ 7 

### Denver

, Colorad o 80202-246 6 j^;_

. M 

### s a t* : ^ ! >- W "

~ Re : Californi a Gulch Superfun d Sit e ~ R

^ Cultura l Resourc e Investigatio n 1= ^

~ ! Selecte d Kin e Wast e File s 

### Dea r Hs

. Thoaae : 

### k J Thank

yo u fo r you r correspondenc e

receive d Novembe r 28 , 199 5 1 

### concernin

g th e abov e ninetee n vast e dump s (roc k piles ) undergoin g a cultura l resourc e investigation

. W e hav e receive d comment s fro n 

### th e Lak e County

, Boar d o f Count y Commissioner s o n Decembe r 28 , *

- 1995

, H e withhel d ou r forma l respons e unti l v e receive d consent s fro n al l intereste d persons

. 

# J W e agre e wit h the opinio n o f the Lak e Count y Historic-Preservatio n Advisor y Boar d tha t th e landscap e a s a vhol e jaus t b e assessed i n 

### determinin g th e contributin g natur e o f an y resource
. Th e mino r a s 

### vei l a s majo r feature s an d archeologica l site s tel l th e stor y o f Leadvill e an d take n togethe r ar e importan t i n conveyin g it s significance

. Thes e resource s ous t b e reviewe d i n th e contex t o f 

### th e cultural landscap e expresse d i n it s variet y o f forms

. Th e standar d use d t o establish th e contributin g natur e o f a featur e o r 

### sit e vil l res t o n it s integrit y an d abilit y t o conve y th e histor y o f th e distric t a s a vhol e an d no t an y particula r site

. Individuall y a vast e dump
, vitaou t it s associate d structure s an d features
, i s no t eligibl e fo r th e Nationa l Registe r o f Histori c 

### Place s bu t a s a grou p these wast e dumps ca n contribut e t e th e cultura l landscap e b y illustratin g the extent , types , an d locations o f minin g activit y i n th e district

. 

# T

### JfiN-24-9 6 WE D 09:0 8 A M ASARCO GLOB E PLAN T FA X NO
, 303296050 8 P,04/0 4 Ol/23/fl C TO E 15:I T FA X 30 3 2* 3 123 « R S SUFERFUN D REMEDIA L B R

! Rebecc

a ff

. Thcaa s 

### Januar y 12 , 199

_ Pag e

2 

### I t i s ou r opinio n tha t th e followin g cite 6 contribut e t o th e large r cultura l landscap e o f Leadville : 5LK.868

, 5LK.869

, SLX.870,

- 5LK.S71

, SLK.872

, ELK.873

, 51K.874
, 5LK.875

, SIX.876

, SLK.877

, ELK.878

, SLK.880

, 5LK.882

, SLK.884

, SLX.88S

. Thoug h a numbe r o f 

### thes e dumps hav e bee n impacte d b y huma n activit y recently
, the y 

### retai n thei r overal l for a an d ca n conve y th e ric h minin g histor y o f th e district

. They ar e determine d t o b e contributin g t o th e Histori c Winin g Distric t o f Leadville

. 

### Sit e SIK.86 8 i s considere d t o b e individuall y 'eligibl e fo r th e Nationa l Registe r unde r Criterio n A fo r it s associatio n wit h th e 

### socia l histor y o f Leadvill e a s i t relate s t o the miner' s strik e o f 1896

. 

### Limite d testin g need s t o b e conducte d on SLK.87 5 t o determin e i f intac t subsurfac e resource s remain

. Testin g ma y yiel d additiona l 

### informatio n and qualif y thi s sit e a s eligibl e under Criterio n D

. 

### T h e remainin g fou r site s (5LK.867

, ELK.879

, 5LK.881

, 5LK.883) ar e considere d non-contributin

g du e t o th e loss o f integrit y a s outline d i n th e report

. 

### I n th e future
, pleas e forwar d th e origina l photograph s o f eac h 

### site

. I t i s extremel y difficul t t o asses s a sit e wit h photocopie s o f the original photograph

. I f we ma y b e o f furthe r assistance , pleas e contac t Josep h Bell

, ou r Eistori c Preservatio n Specialist

, a t (303 ) 866-3035

. 

### Sincerely

, Bartman

n 

### fitori c preservatio n Office r Jrarr y Frank
, Lak e Count y Histori c Preservatio n Boar d 

### Hei l Reynolds

, Lak e count y Eistori c Preservatio n Boar dFinal Mitigation Plan Lake County, Colorado



## APPENDI X B Lake Count y Histori c Preservatio n Advisory Boar d Eligibilit y Revie w Comment s

lrtCULTURAL\1993\93403\MWU>T.NE W01/22/9 6

ID : 1 1 t?3D 3 98 5 206 0 GOLDER-GCS-GF

S ©00 7

MEMORANDU M ! Date : Decembe r 6 , 199 5 

### T o : Th e Boar d o f Lak e Count y Commissioner

f

_ From : Lak e Count y Histori c Preservatio n

Advisor y Boar d

i 

### > Subject :

Comment s upo n th e Fina l Draf t - Cultura l Resource s • " Investigation s

o f Selecte d Min e Wast e Piles
, Operabl e 

### Uni t $ , Californi a Gulc h Superfun d Site

. 

### •Th e perio d fo r writte n comment o n th e subjec t Surve y Repor t wil l expir e approximatel

y Decembe r 1£ , 1995

. W e therefor e recommen d tna t ; . th e fallowin g comment s be forwarde d t o th e EP A 1 n a timel y manne r s o L

- 

### as
. t o serv e a s par t o f th e requested
, publi c comment

. L Ma p mounte d betwee n page s 547

. Min e Wast e P i le e Ma o i t 

### , W e believ e tha t thi s ma p woul d b e more usefu l a s a referenc e i f th e 

### researcher s ha d use d th e sam e min e shaf t numberin g syste m tha t wa s 

### use d b y th e USG S I n al l o f it s mappin g i n conjunctio n wit h Professiona l Pape r 14 8 publishe d i n 192 7 an d Professiona l Pape r 23 5 3 publishe d I n 1S53

. Th e shaf t numberin g syste m followe d b y th e USG S 

### ^originate d wit h thei r 191 3 topographi c ma p o f th e district
, an d i s \ ver y consisten t an d eas y t o Interpret

. Introducin e a ne w min e wast e 1 pil e numberin g syste m i n th e presen t cultura l surve y jus t result s I n • * ? cros s referencin g difficultie s fo r person s readin g an d evaluatin g th e document

. ^ A n unfortunat e discrepanc y o n thi s ma p is th e labelin g b y th e 

### Iresearcher s o f Frye r Stree t a s "Frfar " Street

. Thi s sam e designatio n M s followe d consistentl y i n th e tex t whersva r min e wast e pile s ar e 

### Uocate d wit h respec t t o "Friar " Street

. It.show s a lac k o f '.scholarship o n th e par t o f th e researcher s i n whic h the y ar e no t i -awar e o f th e connectio n o f Frye r Stree t wit h Georg e H

. Fryer
, th e i .origina l

discovere r o f th e or e bodie s o n near& y Frye r Hilt

. Thi s

: 

### ,laps e lead s a reade r o f th e surve y repor t t o doub t th e scholarshi p o f t h e researcher s i n othe r regards

. 

### L

- } • Tw o significan t wast e pile s 1 n th e Downtow n are a ar e no t 

### ^ 5 "'evaluate d i n th e report • i , On e o f thes e I s th e ver y larg e Capito l (o r Northern ) shaf t dum p 

### *

- (locate d immediatel y northwes t o f th e smal l Este y dum p (MW P 13 ) whic h i s evaluate d 1 n th e report

. Perhap s th e Capito l wa s no t evaluate d becaus e o f th e fac t tha t i t has bae n regrade d an d use d as a homesite
, 

### However
, th e Capito l site i s a ver y significan t on e becaus e o f It s associatio n wit h th e note d Carleto n mining brothers
, an d th e fac t01/22/9 6

10:1 2 ©30 3 98 5 208 0 GOLDER-GCS-GF

S ^

E l 00 3 j "

.

~ Comment

s o n Fina l Draf t Cultura l Resourc e Inves t i ga t len s 

### o f Selecte d Win e Wast e Pile s Operabl e Uni t 9 - Pes e 2 i tha t Vh1 s shaf t 'wa s th e pionee r effor t t o develo p or e 1 n th e norther n

, portio n

o f th e Downtow n Distric t { Heral d Democra t Ne w Year' s editio n ;

_ o f Januar y 1 , 1639 , pag e 4)

. I t wa s als o a ver y significan t sourc e 

### o f manganese-Iro n

or e during th e Worl d Wa r I effort

. 

### I Th e secon d Importan t omissio n i e tha t o f th e Biso n shaft
, whic h



### — H e jus t 20 0 f t M E o f th e Gra y Eagl e shaf t (MW P 22 ) covere d i n th e £ 'report

. Th e Biso n shaf t wa s a Campio n famil y projec t an d wa s sun k 

### fjunde r th e managemen t o f Georg e Campion

, th e younge r brothe r an d |

_ ^minin g partne r o f Joh n F

. Campion

- Durin g th e years 1BS 5 throug h 

### |1fi97
, i t .wa s th e larges t produce r o f iro n fluxin g or e i n th e tLeadvill e Distric t (H O Ne w Year' s editio n o f Jan

. 1 , 189S

, pa.se 4)

. i

— / | Bot h o f th e tw o shaft s describe d abov e ar e ver y significan t 

### v |historica 1 1y , an d warrante d coverag e i n th e presen t cultura l survey
. L 

### Pag a 20

. I Mida s

Min e Wast e Pil e 

### L / W e agre e tha t th e Mida s Min e wast e pil e shoul d b e eligibl e fo r

, ~ 7 th e «RHP

. W e believ e tha t th e importanc e o f thi s sit e i s greatl y 

### i ; enhance d b y it s associatio n wit h Samue l D

. Nicholson
, prominen t " • HLeadvlll e min e operato r an d U.S

. Senato r fro m Colorado *

•

m 

### i Nicholso n

wa s th e manage r an d par t owne r o f this property , t n L ^partnershi

p wit h th e Guggenhel m family
, an d thi s min e contribute d t o & .iih-f s wealth
, -succes s an d reputation

. Th e presen t repor t doe s no t 

### ; describ e Nieholson' s associatio n wit h th e Midas
, no r doe s i t bring 

### : iou t th e extrem e importanc e o f Nicholso n I n th e histor y o f th e *

- Leadv-m e

Distric t -i n an y othe r regard

. f r • i

_ * Pag e 30

. W e ! do n Mi e Wst e Pi T 

### 1 Th e surve y repor t dow n play s th e significanc e o f th e W e 1 do n . 1



### . shaf t i n th e Downtow n District' s history
, saying tha t i t migh t hav e bee n moderatel y successfu l base d uoo n th e siz e o f th e wast e pile

. I t 1 c rate d a s eligibl e fo r th e NRH P -base d upo n It s hifi h prominenc e an d

4 

### vfsibillty

. • 

### N o mentio n I s mad e o f th e W e 1 do n Mine' s prominenc e durin g th e 

### f Labo r Strik e c f 1636-&T^ whic h greatl y increase s th e significanc e o f t h e site

. Th e min e wa s reopene d during th e Strik e b y it s controllin g Directo r Pete r Breene,

. i n defianc e o f th e mandat e o f th e Min e 

### Operators Association

.

Breen e pai d unio n scal e wages , kep t th e min e operatin g wit h unio n labor
, an d fle w th e Wester n Federatio n o f Miner s fla g ove r th e «n'rv e durin g th e Strike

. Thi s wa e th e onl y larg e rains t o operat e i n sympath y wit h -th e strikin g union

.01/22/9 6

10:1 2 ©30 3 98 5 206 0 GOLDER-GCS-GF

S ©00

9

: • •

. 

### " " Comment

s e n Fina l Draf t Cultura l Resourc e Investisation s 

### o f Selecte d Min e waat e Pile s Operabl e Uni t 8 - Pag e 3 | Th e episod e I s wel l describe d I n Monograp h 1 0 o f th e Colorad o iHistoHca l Society

, page s 32-34

. A contemporar y photograp n o f th e 

### \ \ Iver y larg e Weldo n surfac e plan t i s publishe d i n th e Heral d Democra t

~ . |Ne w Year' s editio n o f Jan

. 1

. 1859 , pag e 4

. 

### * Pag e 35

. Turbo t Min e Wast e Pil e 

### * " " 3 Th e surve y repor t state s tha t n o associatio n o f th e Turbo t Shaf t 3*1t h importan t person s o r event s ha s bee n discovered

. Thi s i s no t 

### I t rue , a s th e shaf t wa s originall y sun k by Georg e Campion

, younge r u \2_1brathe r an d mining partne r o f Joh n F

. Campion

. Georg e Campio n lete r : ; reopene d th e shaf t 1 n 1919 , t o searc h fo r deposit s o f oxidize d zin c 'We

. 

### * " » Thes e fact s er e se t forth in th 6 extensiv e 1S2 S repor t o n th e 1Leadvili e District

, prepare d b y Chapma n an d Steven s fo r America n 

### ! Smeltin g

& ftefinin g Co.

, a t page s 2 5 an d Z6

. Thi s repor t i s L

. L- > availabl e i n th e U.S

. Burea u o f Mine s Denve r Library

, an d shoul d 

### .hav e bee n use d b y th e researcher s a s a referenc e o n th e Downtow n i ! 

### Minin g Distric t i n it a late r years o f activity

. L

. 

### Pag e 4-1 *

« - KSbsdhl e

Min e 

### } Th e presen t cultura l surve y rato s th e Kibschl e sit e lo x fo r i 1 U 

### I prominenc e an d visibility
, an d fo r no t conveyin g th « Importanc e o f 

### * • n -th e Downtow n mines

. I t therefor s ha $ bee n classifie d a s f t no n 

### ^contributing feature / L A

t pag e £ 2 o f th e previousl y cite d Chapma n an d Steven s 1S2 9 3 report , th e continue d rainin g a t th e Hibschl e shaf t i n th e tS20'f i idurin g th e perio d afte r th e Penros e Min e pump s were pulled
, an d th e 

### ! 16 " Downtow n min e working s wer e flooding
, i s described

. -Thi s add s * " significanc e

t o th e Kibschl e site , becaus e i t 1 6 thu s th e las t min e 4 1 n th e Downtow n Distric t t c be activel y operated

. L * Th e reaso n tha t th e dum p I s relativel y emai l i « tha t th e larger



### i t , -an d riche r portion s wer e shippe d t o th e Arkansa s Valle y Smelter

, an d
v 

### possibl y t o Haran' e Hill
, b y Orri n Hibschl e i n th e lat e 104 0 « - \

_' Pag e 4-4

. 

### L Bon n Min e CMWP20T

)

. 

### T h e Bon n Min e i s considere d a n isolate d fin d i n th e study
, an d 1 s rate d To w fo r prominenc e an d visibility

. Sinc e i t doe s no t conve y 

### i

- r | th e importanc e o f th e Downtow n Mines
, i t 1 s recommence d a s e non-contributin

g feature

.01/22/9 6

10:1 3 ©30 3 98 5 206 0 GOLDER-GCS-GF

S Comment s o n Fina l Draf t Cultura l Resourc e Investigetion s



### . -o f Selecte d Win e Wast e Pile s Operabl e Uni t 9 - Pag e 4 T h e repor t state s tha t th e Boh n min e wa s "probably " associate d wit h A.V

. Bohn

. a perso n o f "som e prominence' " i n Leadvill e mi'ning i « H history

. Apparently
,

ther e wa s n o researc h don e b y th e Investigator s 

### ! t o discove r tha t th e Soh n Shaf t wa s a pioneerin g effor t b y Majo r A.v
, Boh n t o prov e tha t commercia l or e existe d 1 n th e souther n par t o f th e Downtow n 

### 3 Th e shaf t wa s sun k by Majo r Bohn i n a struggl e o f tw o years' * 

### y » ^duratio n (JSC1-83)

,

t o surmoun t sever e wate r an d ba d groun d '•^conditions

. I n th e Pani c o f 1BS3

, Majo r Bonn' s company wa s force d •lint o receivership
,

an d wa s bough t I n a t auctio n fa y Smith en d Moffat

. 

### Late r Majo r Boh n finance d th e Leedvill e Hom e Minin g Co

. strictl y |throug h loca l fun d raisin g i n Leadvltle

, an d undertoo k dewaterin g o f 'Ith e entir e basi n throug h th e Penros e Shaft

. Th e dewatering wa s 'complete d i n Ma y o f 1898 , afte r a majo r effort

. Th e Lead.v1l U Hom e 

### Minin g Co

. wa s particularl y prominen t durin g th e 189$ throug h ISO ! period
, when larg e tonnage s o f or e were produce d b y th e compan y .throug h th e Starr

, Penros e an d So n Ai r shaft s ( Kenderson
, Minin g i n 'Colorado

. 1S23

, pgs

. 151-152)

. 

### Durin g th e Worl d Wa r 1 era , th e Boh n Min e shippe d considerabl

e .Quantitie s o r manganes e iro n or e throughou t th e interva l fro m TSI 6 t o 

### •192 3 (Chapma n an d Stevens

, 1923 , pag e 64)

. T h e histor y o f th e Boh n Shaft * an d th e lon g standin g effort
, o f }Majo r Boh n t o demonstrat e th e valu e o f th e Downtow n mine s i s wel l 

### .covere d m th e Januar y 1 , 18S S Ne w Year' s Editio n o f th e Heral d Democrat

. Th e Bch n sit e deserve s muc h mor e recognitio n tha n th e ! iCultura l

Resource s Investigatio n grant s It
, becaus e o f it s pioneerin g L

, Istatu s I n th e openin g of

. th e Downtow n basin

. I Appendi x

C
— Repor t o f Jame s E

. Fell

. Jr

.
r

. Z n hi s Bibliograph y

an d Notes

. Mr

. Fel l does no t indicat e an y 

### I rf * : us e o f th e Chapma n an d Steven s Repor t o f 192 9 t o th e America n L ^ Smeltin g & Refinin g Co.

, whic h is th « mos t extensiv e latte r day 

### referenc e o n no t onl y th e Downtow n mines , bu t o n th e entir e Leadvill e 

### District

. Whil e Mr

. Fel l doe s cit e "s«lecte d issues " o f th e Leadvill e Heral d Democra t i n hi s bibliography
,

ther e I s n o -indicatio n tha t h e 

### use d th e Janua'r y 1 , t8S § editio n o f tha t paper

. Th e articl e o n pag e 

### 4 o f tha t editio n contain s a comprehensiv e histor y o f th e initia l developmen t o f th e Downtow n are a tha t i s o f grea t valu e I n 

### establishin g th e relativ e significanc e o f th o min a shaft s I n th e area .01/22/9 6

10:1 3 {^30 3 98 5 208 0 COLDE

R -GCS-GF S I

B Oi l j 

### Comment s o n Fina l Draf t Cultura l Resourc e Investigation s o f Selecte d Min e Wast e Pile s Operabl e Uni t 9 - Pag e 5 Comment s 

### T h e Fina l Draf t Repor t exhibit s a marke d tendenc y t o loo k a t th e idua l min e wast e site s a s Isolate d entitles
, whos e relativ e 

### significanc e mus t b e Judge d solel y o n thei r ow n physica l



### . : characteristic *

an d contents

. W e believ e tha t al l o f th e shaf t site s inus t b e considere d togethe r as on e fabri c o h whic h th e hictor y o f th e DOWntow n mine s i s preserved
, commemorate d an d retol d fo r th e visitor

. w?

. •Final Mitigation Plan Lake County, Colorado



## APPENDI X C E P A Eligibilit y Determinatio n

Lette r

D:\CULTlWUA1993\93-603\MWMrr.NE WGOLDER-GC S Bino 9 >«< H ••«• • wvw.vv.v w .

. „ I£IUO

Z UHITI D STATE S EBVIBONMIITAI FBOTECT1D E AGENCY 

### 99 3 ii a BTIES T
- su m H » BOWER

. COURAD O QOZOMV t


### i Ms.PoppyStau b

Cfi

D 2 6 895 " L ASARCO

Incorporate d 

### 49 5 Eas t 51s t Avenu e 

### Denver

, Colorad o 80216-209 8 Re : Cultural Resource s 

### Selecte d Min e Wast e Pile s 

### Dea r Poppy : ; Th a

purpossoffot s fette r istodarfl y tn e Envliu i intuite d Protectio n Agency' s (EPA )


### u . Actio n

Memorandu m addressin g selecte d min e wast e roc k pile s locate d i n residenCe l area s G f Leadutlle

, Colorad a First
, the EP A concur s wit h Ihe Stat e Historic Preservatio n Officer' s (SHPO ) determination s regardin g ellaibirrt y o f Vi e individual wast e roc k piles

. L Pleas e

refe r t o correspondence fro m th e SKP O t o EP A date d Januar y 12,169 6 an d fro m EP A t o th e SHPO

, dated Oecemoe r 26

. 1936

. Second

, ASARO O shal l prepar e th e rrffigationpJ£tfftrsnycutoiT^r^ ^

Pleas e

submi t



### . tn

e mfliflaGo n pfa n directl y t o EP A W e wB I revie w th e pla n an d reques t publi c commen t u 

### ASARC

O wi n the n respon d t o an y comments , finaliz e th e mitigatio n plan
, en d ro-eubnVi t f t t o EP A EH A wit ! the n forwar d th e fina l pla n l o th e SHP O fo r approval

. 

### i

- I

f yo u hav e an y furthe r question s concernin g thi s Actio n Memorandum
, pleas e contac t m e e t 312-6700

. 

### Sincerely

,

Rebecc a J.Thoma s Projec t Manager 

### ce c rac k River

, Newmont Gol d Oo

. Rus s Alie n CDPH EFinal Mitigation Plan Lake County, Colorado



## APPENDI X D Lak e Count y Boar d o f Count y Commissioner s Comment s and Response s t o Comment s

atoXTURAlA1993\93-603\MVVWJT.NE WFinal Mitigation Plan Lake County, Colorado



## Boar d o f Count y Commissioner s Comment s

L

R\CUI.1URM.VI9S3\93-603\MWMIT.NE W

## LAKECOUOVT T 

# BOAR D O F 

# coiu m COJDIISSIOIVER S

JulyS

, 199 7 V I A FACSIMIL E 

### Ms

. Rebecc a J

. Thomas 

### U

. S

. Environmenta l Protectio n Agenc y Regio n Vffl
, One Denve r Place 

### 99 9 Eighteent h Street

, Suit e 50 0 Denver

, Colorad o 80202-204 5 

### Re : Draf t Cultura l Resource s Mitigatio n Plan fo r Selecte d Min e Wast e Piles
, Operabl e Uni t 9, Californi a Gulc h Superfun d Sit e Dea r Rebecca : 

### W e appreciat e th e opportunit y t o commen t o n th e above-reference d cultura l inventor y report

. Enclose d o n behal f o f Lak e Count y ar e comment s prepare d b y th e Lak e Count y Historic Preservation Advisor y Board

. W e believe
, however
, ma t th e procedure s provide d i n Sectio n 5. 0 fo r th e handlin g o f structure s o r artifact s discovered durin g th e remova l action s ar e adequate

. Ver y trul y yours , Cfaakman

, Lak e Count y Commissioner s Count y Commissione r 

### lame s E

. Morrisoi
, 

### Lak e Count y Commissione r COMMISSIONER S Ear l Boev e • James E

. Marti n • Jame s Morriso n • Timoth y H

. Berry-Count y Attorne y P.O

. Bo x 96 4 • Leadville

, Colorad o 8046 1 • (719 ) 486-099 3 • Fa r (719 ) 486-397 2 Kent Hager-Count y Administrator * (719 ) 486-333 8MEMORANDU M 

### L

_ Date : Jun e 11 , 199 7 

### T o : Th e Board o f Lak e Count y Commissioner s j From : Lak e Count y Histori c Preservatio n Advisor y Boar d

;— * Subject :

Comment s upo n th e Draf t Cultura l Resource s Mitigatio n Pla n ; _______fo r

Selecte d Min e Wast e Piles

. Operabl e Uni t 9

. Californi a 1 Gulc h

Suoerfun d Site

. 

### Foothill s Engineerin g Consultants

, Inc

. ("FEC" ) ha s recentl y : prepare d

th e abov e state d Mitigatio n Pla n fo r ASARCO

, Inc

. Th e U.S

. L

. Environmenta l

Protectio n Agenc y o n Jun e 3 , 199 7 release d th e subjec t pla n fo r a publi c commen t perio d o f 1 5 day s duration

. Th e tim e Interva l fo r submitta l o f comment s t o EP A wil l thu s expir e o n 1 

### approximatel

y Jun e 14 , 1997

. W e woul d therefor e appreciat e yo u promptl y reviewin g ou r

. comment

s o n th e pla n tha t ar e se t fort h 1 n thi s memorandum

. I f yo u ^ fin d the m acceptable
, pleas e forwar d a cop y o f th e sam e alon g wit h 

### you r ow n comment s t o Rebecc a Thomas
, Remedia l Projec t Manage r fo r th e EPA

.

w

_ 

### Pag e 4

. Tabl e 1

. Managemen t Summary

. 

### ^ Thi s

tabulatio n list s th e 2 3 name d min e wast e dump s 1 n th e 

### Downtow n Minin g Distric t tha t hav e previousl y been considere d fo r possibl e remova l actio n an d hav e consequentl y bee n evaluate d fo r th e 

### ; significanc e

o f thei r associate d cultura l resources
. L

. 

### Thi s

tabulatio n state s tha t 1 4 o f th e 2 3 dump s ar e slate d fo r removal
, an d w e understan d tha t thi s actio n 1s t o be undertake n unde r I terms o f th e Consen t Decre e betwee n ASARCO an d th e U.S

. Departmen t o f "

- Justice
, wherei n 350 0 pp m lea d conten t 1 n th e dum p materia l wa s define d a s th e minimu m actio n level

. i 

### — _

_ A

s w e hav e previousl y stated
, w e ar e extremel y disturbe d tha t s o hig h a proportio n o f th e dump s formin g th e landscap e o f th e histori c Downtow n Minin g Distric t mus t b e totall y removed

. W e wan t t o 

### ; emphasiz e

tha t th e 3500 pp m lea d actio n leve l shoul d unde r n o

— circumstance s

b e furthe r reduced
, becaus e suc h reductio n woul d resul t I n man y - 1 f no t al l - o f th e fe w remainin g dump s bein g obliterate d 

### fro m th e landscape
, an d al l trac e o f thi s histori c area woul d b e lost

. W e woul d poin t ou t tha t th e propose d remova l actio n summarize d 

### < o n Tabl e 1 actuall y wil l destro y mor e min e site s tha n stated
, becaus e L

. o f discrepancie s

1 n sit e Identification

.

Fo r Instance
, Min e Wast e Pil e (MWP ) 10 9 slate d fo r remova l I s Identifie d a s th e Hope

. Thi s 

### sit e actuall y Include s bot h th e Hop e Shaf t an d th e nearb y Las t Chi p i No

. 3 Shaft

. Thu s tw o histori c site s ar e bein g los t 1 n wha t 1 s

— presente d

a s th e remova l o f onl y one .Memo

t o Lak e Count y Commissioner s

- Pag e 2 I n th e sam e vein , th e tabulatio n state s tha t on e Star r min e dump
, MW P 28 , 1 s t o b e removed
, whil e a secon d Star r dump
, MW P 27 , 1 s 

### t o remain

. Thi s present s a pictur e o f partia l savin g o f th e Star r Min e histori c resource
. However
, MW P 2 7 allowe d t o remai n I s 

### actuall y th e min e dum p o f th e Laz y Bil l shaft
, whic h I s a muc h les s significan t site

. 

### Pag e 5

. 4. 1 Contributin g

Landscap e Feature s I n thi s paragraph
, FE C rightl y state s tha t bot h th e Stat e Histori c Preservatio n

Office r an d th e Lak e Count y Histori c Preservatio n Advisor y Board hav e expresse d th e opinio n tha t th e 

### Downtow n Distric t min e wast e pile s shoul d b e viewe d I n th e contex t o f 

### t h e overal l landscape

. FE C stretche s thi s opinio n t o conclud e tha t becaus e th e overal l landscap e onl y I s considere d t o b e contributing
, mitigatio n o f th e Individua l min e wast e pile s makin g u p th e landscap e 1 s no t appropriat e o r necessary
. T o refut e FEC' s assertion , 1 t 1 s onl y necessary t o conside r suc h a note d histori c landscap e a s th e Gettysbur g Natio n Battlefiel d Par k 

### a s a n analogy

. Certainl y th e overal l panoram a o f th e Gettysbur g battlefiel d I s commemorate d I n museu m displays
, sceni c overlook s an d 

### Interpretiv e renditions

. However
, fo r visitor s t o full y understan d 

### t h e Importanc e o f wha t took plac e a t th e Gettysbur g site , eac h Individua l comba t action , togethe r wit h th e militar y unit s Involve d 1 n th e action , hav e been meticulousl y monument« d an d Interprete d a t t h e actua l localit y wher e th e actio n took place

. W e desir e thi s approac h t o b e use d 1 n th e mitigatio n o f th e 

### Downtow n District

. A n Interpretiv e panoram a shoul d b e provide d a t a strategi c locatio n overlookin g th e Downtow n site , an d w e recommen d tha t th e remediate d Ham m tailin g pon d sit e b e use d fo r thi s overlook

. I n addition
, eac h min e dum p site , whethe r th e dum p 1 s remove d o r whethe r I t remain s I n place
, shoul d b e appropriatel y monumente d t o 

### aid th e understandin g o f a vl.slto r t o th e site

. Th e monumen t a t Io n shoul d Includ e a brie f narrativ e relatin g th e salien t histori c fact s specifi c t o th e site

. 

### Despit e FEC' s objection s t o Interpretiv e material s a t thes e individua l sites , a s expresse d I n paragrap h on e o f pag e 9 relativ e t o t h e Coronad o Mine
, w e believ e tha t suc h Individua l monumentatlo n

I s t h e onl y satisfactor y mean s remainin g t o provid e som e histori c recognitio n o f th e actua l sites

. 

### Granite monument s wit h th e narrativ e Inscribe d thereo n ar e 

### recommende d a s th e bes t mean s o f survivin g th e ravage s o f tim e an d vandals

. Thei r resemblanc e t o tombstone s wil l b e apt , a s thi s Indee d wil l b e a graveyar d o f los t mine s afte r th e dump s hav e bee n removed

.

### Mem o

t o Lak e Count y Commissioner s

- Pag e 3 Page s 5 an d 6

. 4. 2 Mitigatio n o f Contributin g Resources

. F EC recommend s tha t panorami c photo s b e take n o f grouping s o f th e min e wast e sites , an d tha t suc h photo s shoul d b e recorde d o n bot h blac k an d whit e an d colo r film

. The y advocat e tha t th e blac k an d whit e Image s b e archivall y processed

. Th e resultin g blac k an d whit e 

### photo s woul d b e submitte d t o th e stat e Histori c Preservatio n Offic e 

### sit e file s fo r archiva l preservation ,

whil e th e colo r photo s woul d b e availabl e fo r displa y I n a publi c Leadvlll e facility

. - _-"

. -...-_ 

### . W e believ e tha t a complet e se t o f th e blac k an d whit e photo s shoul d als o b e provide d t o th e Lak e Count y Historica l Collectio n 1 n 

### custod y o f th e Lak e Count y Publi c Library

, a s th e colo r photo s alon e ar e no t a reproducibl e resource
. 

### Pag e 11

. 5. 0 Discover y During Removal Actions

. W e believ e tha t th e procedur e describe d I n thi s paragrap h fo r processin g histori c material s discovere d durin g remova l excavation s 

### I s to o ambiguou s an d doe s no t provid e enough safeguard s t o preven t los s o f valuabl e artifacts

. T h e procedur e state s tha t th e "presenc e o f spars e o r scattere d artifact s o r th e disturbe d remain s o f feature s withi n a wast e pil e I s no t caus e fo r wor k t o b e halted. " W e doub t tha t a heav y equipmen t 

### operato r 1 s a goo d judg e o f wha t constitute s "spars e o r scattere d 

### artifacts * o r wha t "disturbe d remains * entail

. W e believ e tha t th e describe d procedur e 1 s a n ope n Invitatio n fo r th e eart h movin g contracto r t o procee d withou t an y real regar d fo r histori c preservation

. W e recommen d tha t a mor e precis e an d carefu l procedur e b e followe d durin g th e removal action , suc h a s th e procedur e Incorporate d I n th e recentl y release d Draf t Mitigatio n Pla n fo r Californi a Gulc h OUf l Remova l Action

. Phas e 1

. a s prepare d b y CO M 

### Federa l Program s Corporatio n an d Researc h Managemen t Consultants

, Inc

.Final Mitigation Plan Lake County, Colorado



## Response s t o Comment s

a\CU.TURAH1993WJ«)3\UWUIT.NE WFinal Mitigation Plan Lake County, Colorado 

### RESPONS E T O COMMENT S LAK E COUNT Y COMMISSIONER S

AN D LAK E COUNT Y HISTORI C PRESERVATIO N

ADVISOR Y BOAR D LETTE R DATE D JUL Y 8,199 7 Managemen t Summar y Approximatel y 3 0 min e wast e pile s hav e bee n previousl y identifie d durin g th e environmenta l investigation s performe d prio r t o the Cultura l Resource s Inventory
, withi n Operabl e Uni t 9

. A s yo u hav e noted
, th e pil e number s wer e assigne d t o contiguou s accumulation s an d severa l pile s suc h a s MW P 10 9 wer e associated wit h multipl e mine s (Hop e and Last Chip ) and some , suc h a s th e Coronad o pile s (MW P 16,1 7 an d 18)
, ar e part o f a grou p o f pile s associate d wit h a singl e mine

. A s yo u indicated
, th e Remova l Actio n selecte d b y th e EP A require s th e remova l o f onl y thos e 1 4 pile s wit h lead concentration s i n exces s o f 3,50 0 ppm , th e interi m actio n level selecte d b y th e EP A base d o n protectio n o f huma n healt h an d th e environment

. W e appreciat e you r concer n regardin g remova l o f th e dumps

. You r comment s on th e Hop e an d Last Chi p an d Laz y Bil l are appreciated

. Th e remain s a t MW P 10 9 wer e identifie d i n th e inventor y report a s th e Hop e o r Last Chi p (Killa m 1995:43)

. Th e sit e name s wil l b e correcte d i n Tabl e 1 i n th e Fina l Mitigatio n Plan

. A s fa r a s visua l effect s t o th e cultura l landscap e i n thi s vicinity , onl y on e wast e pil e wil l b e removed

. Thank yo u fo r th e informatio n tha t MW P 2 7 i s no t th e resul t o f th e Star r min e bu t i s relate d t o the Laz y Bil l shaft

. This informatio n wil l b e adde d t o the Fina l Mitigatio n Plan

. Contributin g Landscap e Feature s Unde r th e regulation s o f 3 6 CF R 80 0 o f th e Nationa l Historic Preservatio n Act
, mitigatio n o f effec t i s require d whe n th e actio n wil l alte r those characteristic s for whic h
a propert y i s considere d eligibl e o r contributing

. A s discusse d i n section 4. 1 o f th e Plan
, (pag e 5)
, th e Stat e Histori c Preservatio n Office r (SHPO ) determine d tha t thes e wast e pile s ar e no t individuall y eligibl e bu t "contribut e t o th e cultura l landscap e b y illustratin g the extent , types , and location s o f minin g activit y i n the district " (SHPO Concurrenc e Letter

, Appendix A)

. A s discusse d i n th e Plan
, i t i s thes e characteristic s tha t requir e mitigatio n o f effect

. The mitigatio n measure s propose d b y Asarc o ar e designe d t o mitigat e the effect s t o thos e characteristic s that mak e eac h resourc e contributing
, tha t i s th e "extent , types , an d location s o f minin g activit y i n th e district " (SHP O Concurrence Letter

, Appendi x A)

. The relevanc y o f the "Gettysbur g Natio n Battlefiel d Park " t o the Leadvill e Histori c Minin g Distric t i s no t clear; on e i s a nationa l militar y par k an d th e other a histori c district

. A nationa l par k provides protectio n an d interpretatio n fo r a publicly-owne d

O:\CULTlJRAL\1993\93-603\MmiIT.Ne WFinal Mitigation Plan Lake County, Colorado propert y o f nationa l histori c significance ; a histori c distric t recognize s a concentratio n o f significan t an d historicall y relate d resources
. Th e interpretatio n o f a sit e suc h a s Gettysbur g i s no t th e resul t o f th e Sectio n 10 6 proces s regulatin g th e inventor y an d evaluatio n o f cultural resource s a t a Superfun d site

. Wit h respec t t o the panorami c interpretiv e sign s suggeste d b y the LCHPAB

, Asarc o woul d b e willin g t o participat e i n a cooperativ e effor t wit h th e EPA

, th e Count y an d other intereste d partie s t o creat e a suitabl e displa y i n a n appropriat e location

. However
, Asarco doe s no t believe tha t suc h a displa y shoul d b e par t o f thi s mitigatio n plan

. Asarco believe s tha t th e installatio n o f narrativ e monument s a t th e forme r o r curren t locatio n o f min e wast e pile s determine d t o b e contributin g i s no t consistent wit h th e mitigatio n requirement s unde r th e abov e cite d regulatio n base d o n th e determination s mad e b y SHPO

. Additionally
, becaus e thes e pile s ar e locate d o n privat e property , Asarco doe s no t hav e th e authority
, access , o r consen t require d fo r suc h installations

. Mitigatio n o f Contributin g Resource s I n additio n t o the photograph s submitte d t o SHPO

, a complet e set o f blac k and whit e photograph s ca n b e provide d t o th e Lak e Count y Historica l Collectio n o f th e Lak e Count y Publi c Library

. Discover y Durin g Remova l Action s A s par t o f the pre-constructio n meeting , cultura l resourc e personne l wil l discuss circumstance s and situation s concernin g th e discover y o f histori c material s and/o r feature s durin g th e actio n wit h th e PE P an d contractor personnel

. A s indicate d i n th e plan
, an y question a s t o th e integrit y and/o r significanc e o f materia l o r feature s discovered wil l resul t i n wor k stoppag e unti l th e discover y ca n b e assesse d b y a cultura l resourc e professional

.

DKt&TURAL\1993\S3-603WWMIT.NE WFinal Mitigation Flan Lake County, Colorado 

## L

L



## APPENDI X E Stat e Histori c Preservatio n Office r Comment s an d Response s t o Comment s

tt\CULTURAlA1993\93-603\«VVMIT.NEY

Vfinal Mitigation Plan Lake County, Colorado



## Stat e Histori c Preservatio n Office r Comment s

OACULTURM.M9S3e3-e03WWMIT.NE WflUG-29-199 7

17:5 5 0 1 0 HIS T SOCIET Y P

. 0 1



# L C0I0RAD O

3TORICA L CIET Y Tt e Colorad o Histor y Mascar a 130 0 Broadwa y Denver

. Colorad o 80203-213 7 Pofit-n " Fa x Not e 767 1 Augus t 29 , 199 7 M s

. Rebecc a J

. Thoma s U.S

. Environmental Protectio n Ag e ic y 

### fiegio n VI I On e Denve r Plac e 99 9 18t h Street

, Suit e 50 0 Denve r C O 80202-204 5 Dea r Ms

. Thomas : W e appreciat e th e meetin g tha t y d arrange d o n Augus t 25 , an d th e fieldtri c o n Augus t 2 6 t o revie w th e historic Propertie s o f th e Californi a Gulc h Superfun d Site

. r*.*,!!!

. n-,TM,

. ¥ e coltlnu e

t o vl€ W ^ Lcadvill

c Hinln g District a s a cultura l landscap e ba t

i s eligibl e fo r th e Nationa l Registe r o f minin g i n th e Bock y fountai n reg i beautiful : i s u lll y wmvey

s tt e o

f preciou s metal s n . Suc h place s na y o r ca y no t b e considere d Whe n compared wit h th e roll i i g farnlan d o r wildernes s t o prevalen t i n ou r inager y o f scenery , ainin g e .untr y doe s not far e well
, flan y observer s ar e likel y t o characteriz e ninin k countr y a s a ruined
, hellis h wasteland
, bu t w e mis t remenbe r tha t suc h fa s no t alway s th e case : t o Aaerican s i n th e lat e nineteent h centwy, mlriin g activitie s symbolice d progres s an d iiian' e doninatio n ove r nature . J

. Today th e barre n landscape s ar e ofte n contraste d unfavorabl y wit h fcbei r nearb y natura l settings ; ye t they
, lik e al l landscapes
, ar e neithe r koo d no r bad
, but simpl y historica l ertifact s and symbol s (Francavigli a 1991:9)

. Franc<wi «M*' « Har d Place s fo r insightfu l suggestion s o n etin g th e landscape s o f millin g districts

. OPERABL E UNI T 6 W e stil l believ e tha t you r decision ! t o procee d wit h mitigatio n withou t ou r signe d agreemen t place s EP A out o f complianc e wit h the negotiate d Prograunati

c Agreemen t an d therefor e wit h Sectfo n 10 6 o f th e nationa l Histori c Preservatio n Act

. W e also remvn d yo u tha t theij e i s a missin g publi c commen t component

.17:5

5



### L

I 

# L

L m m HIS T SOCIET Y I P

. 0 2
Us

. Eebecc a Thoma s Augus t 29 , 199 7 pag e 2 OPERABL E UNI T 7 A n archaeologica l sit e possibl y re ] resentin g th e remain s o f a stan p mil l adjacen t t o th e Apach e Tailing s wa s viewe d on th e fiel d tri p yesterday
, and ther e wa s discussio n o f a dat a recover y projec t ye t thi s fall

. Ou r record s sho w tha t w e concurre d wit h you r determinationjo f eligibilit y fo r thi s cit e o n Decenbe r 14 , 19S5

, an d w e har e a draf t Acaeh e TAiling a Feasibilit y Stud y date d January
, 1996

. W e hav e n o deterninatio o o f effect
, publi c consents , o r mitigatio n plan

. I t i s quit e unlikel y tha t the necessar ; season , bu t w e wil l mak e ever y ef f available

. OPERABL E UNI T 9 consultatio n

wil l b e conclude d thi s fiel d ar t t o assis t yo u whe n thes e material s becom e

o f fourtee n propose d fo r renova l i i Mitigatio n FlaiLfo r Selecte d Min e lai d ASABC O i s "poise d t o act " i n regar d t o th e planne d renova l o f fou r wast e pile s show n t o u s i a th e field
, ar e P i (5LK879)

, an d 10 9 (Hope/Las t Chi p ! Chi p hav e bee n determine d t o con t Yolcot t ha s bee n determine d t o b e Y e hav e n o objectio n t o movin g t h The documentatio n i s no t complete! ] ha s no t provide d a determinatio n o tw o copie s o f th e draf t engineerin g no t hav e a fina l editio n tha t th e documen t title d Draf t Cultura l Resource s Wast e Piles

. Operabl e Unit S

.

.e Numbers 1 4 an d 1 5 (Hibschle
, Thes e

four
, 6LK878)

, 1 9 LK882)

. O f these
, th e Hibschl e an d Hope/Las t ibut e t o th e Leadvill e Minin g District ; th e non-contributing

. non-contributin g Volcot t pile

. i n orde r fo r th e remainin g piles

. First
, ERA

. effect ; thi s omissio n i s discusse d o n page s 3 t o 5 o f th e Draf t Cultura l Resou r re s Mitigatio n Plan

. Second

, althoug h we hav e evaluatio n an d cos t analysi s document
, w e d o Incorporate d publi c comments

. Third
, th e mitigatio n pla n i s als o i n draf t f o -n . I t include s you r Decembe r 26 , 199 6 lette r t o ASARG O i n whic h yo u clearl y instruct the m a s follows : Pleas e submi t th e mitigatio n [pla n directl y t o EPA

. W e wil l revie w th e pla n and reques t publi c comment

. | ASAEC

O Hi1 1 the n respond t o an y comments , finalis e the mitigatio n plah
, and re-submi t i t t o EPA

. EP A wil l the n forwar d th e fina l pla n t o tq e SHP O fo r approval

. W e hav e copie s o f publi c commen t Jjetter s an d ASABCO' s

responses , bu t w e d o no t hav e & fina l mitigatio n pla n tha t incorporates thes e comments

. W e wil l no t addres s th e propose d mitigatio n strategie s unles s an d until th e document s ar e fina l an d complete

. V e appreciat e you r effort s t o Leadvil e Minin g District

. wot

; t o preserv e th e histori c qualitie s o f th e

Hartman n istori c Preservatio n Offic e r TOTfl L P.0 25EP-03-199 7

17:2 0 COL

D HIS T SOCIET Y P.0 1

Th e Colorad o Histor y Mnsemn

. 

### Septembe r 3 , 1S9 7 M s t Rebecc a J

. Thoma s U.S

. Environmental Protectio n Ag e ic y Begio n VI I 

### On e Denve r Plac e 99 9 18t h Street

, Suit e 50 0 Denver * Colorad o 80202-204 5 F A X 312-695 3 

## HQRAD O



# >RICA L OIET Y

130 0 Broadwa y Dofter

. Colorad o 80203-2137 Postal " Fa x Not e 

### «**•'" • 0 0 0100 6 

## • **** JUTS-

; Californi a Gulc h Supe r Dea r Ms

. Thomas : un d

Site

, Fou r Wast e Pile s i n Operabl e Uni t 9 This lette r i s writte n t o Bee t you r reques t fo r ou r preliminar y comment * o n th e Impendin g remova l o f fou r wast e I pile s i n Operabl e Uni t 9, Californi a Gulc h Superfun d Site

, Leadville

, Colorado

. I t follow * th e comment s tha t w e bad e i n ou r lette r o f Augus t 29 , an d ou r telephon e conversatio n hel d yesterday

. ASARC O wishe s t o remov e fou r vast < 1 8 (Volcott
, 65LK879)

, an d 10 9 ( 1 th e Volcott
, thes e pile s hav e Minin g District

, a Nationa l Reg i verball y tha t thei r remova l i s thi s district
, an d w e agre e wit h piles
, nuaber s 1 4 an d 1 5 (Hibschle
, 5LK878)

, >pe/Las t Chi p 5LK882)

. Kit h th e exceptio n o f determine d t o contribut e t o th e Leadvill e :r-eligibl e histori c property

. Yo u hav e state d advers e effec t o n th e historic qualitie s o f <ha t deternination

. Th e draf t engineerin g evaluatio n «[n d cos t analysi s documen t (EE/CA. ) outline * »i x alternatives : n o action , in s itutlona l control s (lega l an d physica l restrictions)
, containment , reaso v il/transport/diepoaal

, treatmen t (physica l an d reuse
. Yo u hav e provide d u s wit h publi c responses

} an d yo u hav e state d tha t th e draf t chemica l measures)
, an d materi a comment s o n th e EE/CA

. an d ASARC O plu s th e comment s an d response s c Mistitut e th e fina l EE/CA

. prc«erv < tio n Strictl y fro m a historic controls
, containment

, an d t removal/transport/dispo*a l standpoint
, th e no action , institutiona l *eatmen t alternative s

are preferabl e t o reuse
. o r materia l A Remova l Actio n Wor k Pla n pre p ire d b y ASABC O describe e remova l action s t o implemen t the Actio n Hemorandt a issued b y EP A i n August
, 1996

. The abovementioned fou r pile s ar e elate d fo r remova l i n 199 7 an d te n additiona l pile s ar e schedule d fo r remova l i n 1998 1 W e hav e bee n a*ke d t o focu s ou r comment s o n th e fou r pile s slate d fo r 1997

..SEP-03-199 7

17:2 1 COL

D HIS T SOCIET Y P

. 0 2

K s » Eebecca

. Thomas Septembe r 3 , 1997 pag e 2 A Draf t Cultura l Besource s Miti g conment s an d ASABOO' s

response s incorporate s tbese conments

. V e fin d tha t th e nitigatio n pla n t o documen t th e piIc e i n regar d Whil e thi s I B adairabl e work
, we th e inpendin g los s o f thes e hi s contributin g wast e roc k pil e b e p i directions
, an d tha t & detaile d destruction

. V e ala o believ e tha program , t o b e develope d i n con j favo r roadsid e marker-typ e panel s i t io n Fla n ha s bee n written ; w e hav e publi c Ther e i s no fina l nitigatio n pla n tha t essentiall y consist s o f panorami c photograph y th e surroundin g landscap e an d on e another

. o no t believ e tha t i t I B cufficien t t o offse t c properties

. Specifically

, w e as k that eac h 'tographe d i n sor e detail fron t al l angles an d tou r ma p b e prepare d for eac h prio r t o it s EP A shoul d coami t t o a n interpretiv e signag e io n teit h Lak e Count y en d thi s office
, fif e Than k yo u fo r requestin g ou r coara c it s o n thi c action

. V e expec t t o continue ou r discussio n a s plan s develo p fo r 1 Sincerely

, Susa n M

. Collin s Deput y Stat e Histori c Preservati o copie s to : C

. Kille r D

. Killa m D

. Longwel l J

. Morriso n E

. Eai&e s L

. Keatlng e 998

.
Office r

TOTfl L P.0 2Final Mitigation Plan Lake County, Colorado



## Response s t o Comment s

0:\CU.TURAL\1993\93-603\MWUn-.NE

WFinal Mitigation Plan Lake County, Colorado 

### RESPONS E T O COMMENT S 

### STAT E mSTORI C PRESERVATION

OFFICE R LETTER S DATE D AUGUS T 29T H AN D SEPTEMBE R 3,199 7 Comment s fro m the letter s reference d abov e regardin g the mitigatio n o f effec t hav e bee n addresse d i n th e Fina l Mitigatio n Plan

. Specifically

, th e additiona l photographi c documentatio n requested wil l b e complete d prio r t o initiatio n o f remova l actions

. Detaile d contou r map s o f eac h wast e pil e hav e alread y bee n produced

. A Mitigatio n Document

, includin g the detaile d contou r maps , al l photographi c documentation
, writte n description s and previousl y complete d resourc e form s wil l b e prepared

. Copie s o f thi s documen t wil l b e submitte d t o th e SHPO

, th e Lak e Count y Publi c Library

, th e Heal y Hous e Museum
, the EPA

, and the Federa l Archive s a s per verba l reques t fro m SHP O o n Septembe r 4,1997

.

0:VCULTURM.M993t93-603\MWM!T.NE W