ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by...

45
I06 C UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Maps of Alluvial Valley Floors and Strippable Coal in Forty-two 7 1/2-minute Quadrangles, Big Horn, Rosebud, and Powder River Counties, Southeast Montana By Harold E. Malde and J. Michael Boyles Open-File Report 76-162 1976 This report is preliminary and has not been edited or reviewed for conformity with U.S. Geological Survey standards. 4 30' 107 ft \x 45° 107° JO6° INDEX TO QUADRANGLE MAPS OF THIS REPORT. Patterned quadrangles have no identified alluvial valley floors 2 3 INDEX TO AERIAL PHOTOGRAPHS USED IN FIELD MAPPING OF ALLUVIAL VALLEY FLOORS 1. Environmental Protection Agency, scale 1:40,000, taken 1973. 2. U.S. Department of Agriculture, Forest Service, scale 1:15,840, taken 1962. I C 1 3. U.S. Department of Agriculture, Soil Conservation Service, scale 1:20,000, taken 1954.

Transcript of ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by...

Page 1: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

I06C

UNITED STATES

DEPARTMENT OF

THE INTERIOR

GEOLOGICAL SURVEY

Maps of

Alluvial Valley

Floors and

Strippable

Coal in

Forty-two 7

1/2-minute Quadrangles,

Big Horn,

Rosebud, and

Powder River

Counties, Southeast Montana

By

Harold E.

Malde and

J. Michael

Boyles

Open-File Report

76-162

1976

This report

is preliminary

and has

not been

edited or

reviewed for

conformity with U.S.

Geological Survey

standards.

4 5° 3

0'

107

ft

\x

45°

10

JO6°

INDEX TO QUADRANGLE MAPS OF THIS REPORT.

Patterned quadrangles have

no identified

alluvial valley floors2

3

INDEX TO

AERIAL PHOTOGRAPHS USED IN

FIELD MAPPING OF ALLUVIAL VALLEY

FLOORS

1. Environmental

Protection Agency,

scale 1:40,000,

taken 1973.

2. U.S.

Department of

Agriculture, Forest

Service, scale

1:15,840, taken

1962. I

C13.

U.S. Department

of Agriculture,

Soil Conservation

Service,

scale 1:20,000,

taken 1954.

Page 2: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

MAPS OF

ALLUVIAL VALLEY FLOORS

AND STRIPPABLE COAL

IN FORTY-TWO 7

1/2-MINUTE QUADRANGLES,

BIGHORN, ROSEBUD,

AND POWDER RIVER COUNTIES,

SOUTHEAST MONTANA

By

Harold E.

Malde and

J. Michael Boyles

EXPLANATION

Areas of

alluvial valley floor

where width along

valley exceeds

25

ft (8

m) Includes stream channel,

flood plain,

and low alluvial

terrace deposits.

May be

sub-irrigated by

underflow of

near-

surface water or

irrigated by diversion of

flood flow.

Alluvial

terraces generally not

higher than

5 ft

(1.5 m)

above channel

floor of

small streams

but as

much as

8 ft

(2.5 m)

high along

principal streams.

Terraces have distinct boundaries along

bordering alluvial fans

and colluvium,

either at

a step

a few

feet (about

1 m) high or,

less commonly,

along a

line at

which

the ground

surface begins to

slope upward.

Vegetation dominantly

grass; mixed with silver

sagebrush (Artemisia

cana) along

small

streams and

in the

upper reaches of

large streams.

Greasewood

(Sarcobatus) and

big sagebrush (A^

tridentata) are

absent or

rare.

Typically used for

growing hay,

in places with supplemental irriga­

tion. Noncultivated areas currently used for

pasturage have poten­

tial for

hay production.

Mapped within Crow Indian Reservation

only where continuous

boundary

with alluvial valley

floor beyond

reservation

\

UD

Area of

high alluvial valley ^loor incised

by narrow sinuous

channel

as deep as

12 ft

(4 m) Forms nearly flat

alluvial terrace

of low

gradient above lower

alluvial valley floor

mapped elsewhere

along

Mispah Creek in

Stacey 4

SE quadrangle.

Mostly used

for growing

hay, in

places with suppleisental

irrigation

Areas of

strippable coal Mapped where maximum overburden thickness

is 150-250 ft

(46-76 m),

depending on

thickness of

underlying

coal. Area commonly includes more than

one bed of

strippable

coal. Straight lines

across some valleys mark limits

for

calculating coal reserves.

Not mapped on

Indian lands.

Mapped

by Matson and

Blumer (1973)

FAULT Dashed where inferred;

dotted where concealed.

U, upthrown

side; D,

downthrown side.

Mapped by Matson and

Blumer (1973)

REFERENCE

Matson, R.

E., and

Blumer, J.

W., 1973,

Quality and

reserves of

strippable coal,

selected deposits,

southeastern Montana,

with analytical data by L.

A. Wegelin:

Montana Bur.

Mines

and Geology Bull.

no. 91,

135 p.

Page 3: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

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UNITCD & DEPARTMENT OF "H

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UNITED STATESDEPARTMENT OF THE INTERIOR

GEOLOGICAL SURVEYo

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UNITED STATESDEPARTMENT' OF THE INTERIOR

GLOLOCICAl. SURVEY

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i UNITED §TATKB' '>, DEPARTMENT OF THE IOTERIOR

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Page 8: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

I.WTLl> STATE!}

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UNITFODtPARTMS-NI Of- THL INlERIOf?

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Page 10: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

GEOLOGICAL SURVEY

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UNITED 8TATR9-y^ DtPARTMtNl OF THE INTERIOR

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Page 12: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

UNITED STATESDEPARTMENT OF THE INTERIOR

GEOLOGICAL SURVEY

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Page 13: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

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' OCOLOOICAL 3UHVLY

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Page 14: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

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OtlOLOQICAL SURVEV ij i

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Page 15: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

\V- UNITED SPATESDEPARTMENT OF THE INTERIOR

GEOLOGICAL SURVEY

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Page 16: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

UNITED STATESI DEPARTMENT OF THE INTERIOR ' GEOLOGICAL SURVEY

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Page 17: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

oUNITED STATES

DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY

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Page 18: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

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GEOLOGICAL SURVEY

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Page 20: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

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GEOLOGICAL SURVEY V< (

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Page 21: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

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UNITKU 81 ATMDEPARTMENT OF THE INTERIOR

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Page 22: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

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Page 24: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

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DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY

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10, MINUTE BGRiaa (tOPOGRM'HIC)lOfl-ir

fj C»-.I.»'HUS«'.. uic»m «»«u » r»M»«"v.r

^ »^4«,r.»Mtrt«i»fo r»MciMcw«i«;2

I HM r«4 ««»*«< ban f»«^*N M<KW< taKt IllWt

hint r;ilK« _.__ _ UnimproMC r<Md . .

' / InttifUlt Roult lj)V $ Movtf '',,' Sldl Rou

fMIS MA» COHPllft WIM NATIONAL HW AC<l»ACT tTANOADOt FCW IAU IY U.t QtCHOOICAl MWVCY. OCNVIII. COUMUOO tOlK. OH KCSTOM VMOINIA 210*1

A roiot" ociCTiMia toeotunnc tun AHO ITMWK it AVAILAKI ox mgutti

HAMILTON DRAW, MONT. ^^^

\l

Page 25: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

liNIT! U SI A U.S.;

DEPARTMCN1 Of TDK 'N1ERIOR ChULOCICAl.

HUP ,IMN I IAIH (JUADKANOI tM.i'll A'lA COVUll II UIVI I' I 0

," I.'<rI'I t '.I KM I i

#

Page 26: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

5?

JNOW T1IH NOOW J'lVH

l(ui,y ii'/.yl i , i,

l«n 11 limn ' n"ii. I In i..' IIMH MNi HM'imi' i

i i i l i . Y i i(W.l |,.««|.(»-| v^| u-.ri v,|.|..». ,Wf< f

!»... w..o.| ,!..,,"" ><ij"u.»>*'tt<>v>«<|/i<«>ili4ii, ^( /

<>»MVHf>oiri|i j; n/i ii.l>) HMDII Mil V»JVIH»W

1 iOMv?i<ivnn -run HDCW nvn

Page 27: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

UNITED STATESDEPARTMENT OF THK INTERIOR

GEOLOGICAL bURVEY

'" ^

GOODSPEED BUTTE, MONTNi'ilti *h*".i« '-i

!M«

»MS <."< I 5t SCKIf'l v«<«

Page 28: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

. UHIUODEPARTMENT OK THt INTERIOR

' GEOLOGICAL SURVEY

I (JIM HUWI !< uHAOKANllUEMuM TANA !

» MIN'ltr. HI Kll a (|i;»'<K)KAI'HIC) '''

I9«

I SW Sf»

Page 29: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

K * v i: » .* : ' *& xx.:'f*pi<iffiiii^»i*iiftfiift^ ;,,

W^£&^<4^4i&&^&^

S JZ90IM-OOS»N

sxacu

p»o< p»«0)duj«;n '" jMjiiii pj«|'AwijSiM Jiipifvjfcs

»^f|ir<( p#AOxtun ' ff'Xlins vJJty,»« p»,J, l|n|) (!,«. | 'Al..^.!) «Jfu!,lj

! mriWH x

/d OOfflM'Jto*

r/1^.», ^> (nniriVNno.ifti' r'n.-n'i "nntjiw s/

' O 1 N.'li'll lllli YIJV lit' 'W

"llffij',"*^'

Page 30: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

fTATEBDEPARTMENT OF THE INTERIOR

CEOLOOICAL SURVEY

UL'CKER QUADRANGLEWON I ANA .010 HOKH f()

MINUlfi arklfea (KHAXWAl'MH.)

ROAO ClASSiriCAtlOM

Secondary hnh»»y. Jll we«lher. L,jhl July «*.( Jll m>>lh<

DECKER. MONT

sr o s uroiooic«t sonvty, otNviR COLORADO «o?J4. on WASHINOION. o.c

Page 31: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

V UMITLD STATCSDfcPAKTMLNT OF TH£f INTERIOR

CLOI.OOICAl. SURVEY

vvv,S'<*.

COl.ftMAN DRAW OUAUHANC11RMONTANA WJWDEH NIVEH <.0. f \

7.9 MINUTE SF.RIF.3 (TUPOOKAPMK ) "

i If M«. Jl-yr,,v1|.i

FOR SAtT BY u S GEOLOGICAL SURVtY. OCNVER. COLOflAOO «0?25. OR WASHINGTON, D. C JOMJ A roifHA (KscmiuMa ICM^)GIIAI>HH: MAPS AMD tvMtots if AVMuutl cm ACQUUT

COAD ClASSIFICATtON

duly .*. , LiRr<ldut/

Unimprov*d dirt

COLEMAN DRAW, MONT.Nd>iio-wiiXiOO';5

IMt

Am <"' ii st stiiitf vn«

m 01

\

V

Page 32: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

CUUUPOOT CREEK QUAOHANOLEMONTANA KWSFWiJD CO

7fl MINUTE 8ERIE9

UNITED STATESDEPARTMENT OF THE INTERIOR

OEOI.OOICAL SURVEY

\ ;'"\ \\ «, ^ ;. \_\ > v> >^^ f v ) V * " " 1 \ *-'- ! v . "'N ^^,

-. K ' x-'.- 1 "

?/.;- *-.-i (^i"'

- >. -'» ^ --^^ «H"*J, N Y-

Cu

Page 33: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

UNITED STATESDfPARTMhNT OF THC INTERIOR

GEOIOCIICAL SURVEY

YAQF.R BUTTE QUADRAHOLEMONTANA HOWUr-K PlVI-f CO

> "t MINUTE flhl'H-11

Page 34: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

UNIT to 81 ATKB OWNF.Y DAY M.MOOI. OOADRANOI.K ,-'M«>NU»A KOi.l lilili < . '

t li'l*X)HAI'MI',) ^DLPARTMENT OF THE INTEWOH

rv.%7 ^y-) i/Vv'/.Vf. >'- *' -> '^"-~ ^ ^<\\ ' l.^vS } ( ' ' ' " v- ' 7 - *? '

-V^t^^^A.-' ^sA ^/;T->;-: - ., r-' .V ;- '.'^ ^--v.^y:))^y

'.' .. ^s ^ -i\ ".i ^ ^' ,^,

Page 35: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

UNITED STATESDEPARTMENT OF THE INTERIOR

OtOLOOlCAU SURVEY * '«j*»"i _ _ _* /i««

' ' i V »&* * \

GREEN CREKK QU^DKANOLKMONTANA HOW.IHIO CO v

?.9 MINUTE 9KRir.S (TOfOGRAF'HK.l *'* ^ 'VIM: * '"' 'j,.^.

,;, ...1:X;." II

Page 36: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

UNITED STATES *- DEPARTMENT OF THE INTERIOR

*'- OEOLOOICAL SURVEY ASHLAND QUAORANOLK ~ .MONTANA - ROStflUD CO ',;

7.1 MINUTE SKWIIiS (TOP(X)HAPIIIC) ''

;/. M,|,,,. -1 HllH .0'< pul)ll%tatf b, |hf (,^

\

Page 37: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

, UNITKP »TATM Vt DEPARTMENT OF THE INTERIOR

* >. GEOLOGICAL SURVEY m '*~l in

PAN V t»AN( M iJII/Vlil/AUijI IMONTANA-IIM iml'fi i )

7.9 MINUTE Stxil.:) it»('«iiMi'iii<.>

24

Sfmr**1

'!* .,/... . . 'tp . -ys-j-"-

19

'***

m > T l ~ ' '"v.1 .. . .. .......,-,.V X...- .... . J, . ,X~'

ro« SALC «r u t GEOLOGICAL »u*vtr. OCNVC*. COLOKAOO torn, on WAIHINQION. o c »>4> » roiixii OIIC*I*INO ioroo««rMic M«r» AND irMion i« »vAii*«it ON "IOUCKI

BAR V RANCH, MONT.N4'j«ni *i(irm ;»

CN'

s,.

Page 38: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

UNITED AT ATM ,' DEPARTMENT OF THE INTERIOR

GEOLOGICAL SURVEY" .' "

i

rx-, -.^'

"-XX J^- .'*

'_ 'J ''.' "^-'''v :''

, h , (l r>»-( * '. II i:;rniN« .»!£« W«« < .'M ,' X'"''^i'V''x"' -yc;;^-.':ry- a ' ;, y-; ! ^4 , X, \ / > >o..% . 4, 'v, .' x-> rTvx: -,.>,^ 4

", "' ^ . )' V>..'' 'L \ ./ ! ^ U '.,;...L C.,X V_^.:V rj....:x jL.,..^ix^-V4/^4i-s-h;v'"-'> -<Hs>s>

- '..- ' > ,.. ; .,-- i ',

l/ '. '- 'I :'X, /'-. ! 'V

?«"*

.---- --, \ .'/ // - ^ '-. .M /

< Y""-' Sj """ ^^

^rx--.Xv (i ;"^ AAxo-i' !A\:i

8AK V I<MI> II TO UtlAl'HAUt.l IMUNI.MM UK, lU'MI ' ' '<

75 MiMirr-. si Hici (iot'i)(,i.'Arnii , \II 1*1

\ -«P'I4 ^"Ty ^ .M>>rx'

». /;. ... , -y - ,. , i! -' .. r

; _ ^ r -^ -.- .-^^ -u. v^h '" f 4 '^ v ^ - 1 ~v- - S"" 5 .._.... r _-.:...^_i. .v,x.:v--' .;,- "\ ^ V-"":-" ' - ,M 'X'"5 '

" . '"\ ' \ i .,: _; . }> ' "-^ , - . ;s>./^ ' - -','

'X

Page 39: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

BWOWH8 MOONIAIN OUAUHANOLB MONTANA KOgi.ftWl CO

i.r> MiNuu* atvkii-.a. * ..--

." .;% !- : - ;- , ; l; i : >--.-'' - ^4'. ',: A;^ . r. .. - .- \-', 1:>;.7 v ! .' - '" -\ /^ - 1 !' :..' ' W '' !'' '' -.- ; A^V

- -,.,'j \\- !

..-: ,,.- ' - ;'^V'\.". .

/ ' \ -, C'Ar?-;-, '/ \.-\ .,' ,>'

'-

Page 40: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

Vv''Cx UNITFiO HTATfc.3DEPARTMENT 0^ THE INTtKIOI*

GEOLOGICAL SURVEY

A»y{7,?fi?«fr'*L/»< T 1'^ ( jt »0»""" F Fit.AW CHFit'.K ar.HOOl. QUADRANGLE

MONTANA POWW.R RIVLM CO 73 MINUTE SERItS (TOPOGRAPHIC)

vo "*" '

!. »nd publohed bf th* G«oloe>c«l Surxyp*' Co»vnl tr USOS »~< USC4GS

Vv.tT pi»*<««r»pKil«h«« 1970 FwltfclMOM 1*72 O*" *

JM*Ufo»B;Primjfy hiftra hifd lurtKt

«««" 44 I 'ir-"-! lOt'O/'W

ROAD CLASSIFICATION *

r. Lijhi duly ««<i. h«M w______ improwd write*

J1W I -'»?'ii»19 Nlt»

\ NOHTMM

h«nf turfecf

O ln|tr«IM( Roull

Ummpfvwd rowf v.

TM*» MAf CDMPLICS WITH NATIONAL HA* ACf UB*CY »'W*OAHD*t VAU BY US CCOtOGICAt $U«VtV, OiNVlH, COlOfUDO »O229. OH PKSTON. VtfMWIA ttOtt

A rOLOCM DCSCMHMtt rO^OOMPHR WA.fi AND SVMMH* I* AVAKAMC CM KQUCIT

BEAR CREEK SCHOOL. MONT.N<500-WIO»07.S/7.5

'^7^''^^F^OT T^Pff^^frJ':*'.?:./v^'' ""' ' *M " *"*" *w "*Emt9 Vl

' . ''''? - '' ,\ '& * ? * ' ' ''f}^'. : ' '.' :% '- ' : "-" ]"vtL-'- ' ''">"*"'. ' ' ' ' ; ' -1 '" 1 ' i '"''.'ti^*^&&f£^b&£i^ > .^,,.

Page 41: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

'%,«- UNITED STATES»., DEPARTMENT OF THE INTERIOR

OEOUOOICAL 8UHVEY.* ' .,,...( <ll* 411 ««»t

IHHHI C UUAIMOAtUH I- Mutll ANiN I'" .1 him ' "

,") Mlllllll ',1 I'U 1.1 'I -I'll-

XT'"-"

BIRNEY. MONTNl'jl'i AIOAj.1 .,

-CU

Page 42: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

8IWNU UUI.CH QUAUKANOLEMONTANA

! > M1NU1K SEKII.8 (fOPOORAPHK:)

UNITU) HIAIh.3DEPARTMENT Of" THE INTERIOR

GEOLOGICAL SUKVEY

',^rv-^*;l .^^'j^?f

> N' / ' / /' ' \ " i >V- '' -- La,"-^ 1 u 1 - x^Y""^ ..,* \i\vir^

v -'WKV- A.-

f

Page 43: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

*«iA B3W3S- At I utt «**v

19*1

9</i/E90l*l 9I?»N

J.NOW 'MS A3NHI8

u no««A» on« u» aowvvtxuoi OMI*W»M moioj v3 0 'NOIONIHSVM HO 'IKOt OOVWO1O3 «3A-NM J*3A»n« 1V3IOO1O1O S fl A> 31

(DIHdVdOOdOl) 93IHHU VNViNOW

anoNVtiavno MS

Page 44: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

uimen B:ATP.BDEPARTMENT OK THE INTERIOR

OECLOOICAL SURVEY »r I >!

LOOM CNKfK QUAtmANGUMON7ANA~K)WD«« RJV&K CO

T.8 MINUTE SERIES (TOPOOR*PHIC)

i A f //rf/j' ,

yi-i^fHi^w^ii^'^-^''''^^.^'^^'^-^'. '

_ :£iL^ M«pp*d. *t)i(M). and »ubli>h«f by the Gwlog ic*l Sunty

C*nt>vl kv USCt. USCtCt. «« U. S 'W Some*

(~) Inlnrtrtt Roult Q 0 S Route ' " Suit Roul«

TMItt MM COMI>L(C1I WITH MAItONAL NA^ ACCUMACr SIANDA1O)SALC BY U « 0 OLOQICAl. IURVIT. OCNVf«. COLOKAOO KUn. OK WA«H|KOTO«, O. C. JOJ4Z

A rOtOCN DUCMtMM) TDKmUrMK MA^t MWO fnnot* Ml AVMIAW.C ON MOOtfT

Page 45: ft - USGS · mark limits for calculating coal reserves. Not mapped on Indian lands. Mapped by Matson and Blumer (1973) FAULT Dashed where inferred; dotted where concealed. U, upthrown

WM.'UW f f?O!WIHO iJl'AMKAN'. l| [

,") MI'HMI ',» I'lfetl . [Ill 'K."AI'I , ,

\l < ' I ' '- 1 '. ,V