MAP SERIES 93 WYOMING STATE GEOLOGICAL SURVEY COAL MAP OF WYOMING Wallace L. Ulrich COAL MAP OF WYOMING Director and State Geologist Laramie, Wyoming WITH ENERGY PRODUCTION AND TRANSPORTATION Geology, Interpreting the past - Providing for the future Compiled by 111°W 110°W 109°W 108°W 107°W 106°W 105°W 104°W Nick R. Jones, Richard W. Jones, and David W. Lucke S o u t h 2011 M o n t a n a D a k o t a
45°N 45°N EXPLANATION
r e B SELECTED REFERENCES r P COAL MINES G E e R r COAL BED OUTCROPS RAND A v Y
i Frannie e
LO v O O i R 345
G l a t i n P R R l R TO !( a M i v Northwestern Energy £¤212 O r U R O H N r e 112 Surface coal mine R Roosevelt Unit R 120 T e i v !( O T v i !( A i 212 90 v A I r R £ H BNSF ¤ (1 MW)(d) C C N D S §¨¦ R e e l BNSF a d r r M N Bighorn w Colony West Bentonite Processing Plant BLACK THUNDER k 343 i s O E 37 o American Colloid Company (A) AMEX COAL INC. in £212 U e Deaver Cowley !( !( 338 P r e ¤ N n B Lake !( u 32 MW (A) 114 Ranchester h TA o !( s o c Colony East Bentonite Processing Plant F o r k IN 294 s t SHERIDAN s r L a A S T i American Colloid Company (A) DM&E !( w 310 Dayton u m 296 B MINING o R ! l o A £¤ 59 M OUTCROPS OF COAL-BEARING ROCKSPrincipal Coal-Bearing ( l !( F i MOUNT a e C u e DISTRICT Colony Bentonite Processing Plant g U.S. Veterans Administration v r Y n NL Baroid/NL Industries Inc. (A) e and Related Stratigraphic Units in Wyoming # WASHBURN 294 E Lovell o Medical Center !(336 e r !( T 14 l B L £¤ Steam/Heating Plant (A) t £¤89 e 295 Lovell Bentonite Mill t n !( Byron I i O Wyo-Ben Industries (A) iR Sheridan L o ALT t P 14 e r s £¤ i v o w v l e Garland Chute TERTIARY COAL-BEARING ROCKS n R l S Powell G B Y e r o N Shoshone Irrigation Project 331 b OR RIS D (2.4 MW) !(
b A r S
i C O e AN R v
Y O N i 14 G 295
£¤ N
i s o !( R I d G A ALT 16
a R BNSF ¤£ Hulett 24 n 14 ! A A £¤ e ( M N H l D l T 20 R . e £ L
¤ N O HEART B ÍÒ O
M # Arvada U Underground coal mine P R MTN Eocene coal-bearing rocks 310 Basin Electric Power Coop R £¤ Weston O ArcView shapefiles on mined areas, derived from coal O BNSF (15 MW)(n) o A BNSF o D 90 n O Clearmont M mine permits on public file with Wyoming Department of Environmental Quality, Land Quality n Lake §¨¦ t a 789 # BLACK 111 I a Northwestern Energy 120 !( E !( I O Heart Mountian !( DEVILS Division n (2.7 MW)(d) k d a n BIGHORN 32 TOWER G US Bureau of Reclamation !( e a e (5 MW) D 14 r h o Buffalo Bill 14 £¤ e £¤ Ucross 24 O US Bureau of Reclamation n R C !( r K o L Old Faithful 16 (18 MW) h Northwestern Energy £¤ o s BIGHORN v e h i (2 MW)(d) Shoshone Canyon S R Cody RAWHIDE R 14 US Bureau of Reclamation A £¤ N PEABODY ENERGY o (3 MW) E r A 14 (24 MT)(A) Paleocene coal-bearing rocks 20 t 14 16 20 £¤ £¤ h £¤ £¤ £¤ Greybull N e e k B Yellowstone Lake r DRY FORK r k WESTERN FUELS 20 o C POWDER 16 Lake 14 £16 £¤ F Spirit Mountain 30 De Smet ¤£ (15 MT)(A) 89 £¤ ¤ Wapiti Buffalo Bill (! D 90 £¤ US Bureau of Reclamation A e O B NORTH §¨¦ l Reservoir (4.5 MW) R HILLS BUCKSKIN o Burlington i Sundance R r POWDER 14 E n £ g ¤ h IV a PETER KIEWIT SONS INC. e L R e (42 MT)(A) POD 14 L h Synthetic Fuels LLC (A) £ r BU l a ¤ i EY R o WYODAK F 40 G C m BLACK )" r o MINING BLACK HILLS ENERGY, INC.
30 n 16 (12 MT)(A) Keyhole !( BUFFALO £¤ W 120 Shoshone !( #CLOUD MINING DISTRICT Neil Simpson II Reservoir Black Hills Power Inc. Lake Basin PEAK DISTRICT EAGLE BUTTE Pine Haven HILLS 291 ALPHA NATURAL RESOURCES (80 MW) !( COAL D (35 MT)(A) Dry Fork Station Neil Simpson II 113 DA R Y Buffalo OLD SUN NC E e e Basin Electric Black Hill Power Inc. )" l n !116 l o r (385 MW) (40 MW) ( 6
Lewis o h y Prospect
Heart w s e z o v
Lake s h i Wygen 1
Lake a Moorcroft D o t R
S Black Hills Power Inc. BNSF R R i v e r K r (88 MW) Gillette
n Manderson E COAL C 90 Wyodak E D CRETACEOUS COAL-BEARING ROCKS e §¨¦ R A Wygen 2 Pacificorp C Coal lease sale tract BASIN O 90 585 R Black Hills Power Inc. (362 MW) 14 ! §¨¦ D ( £¤ 160 R i IN R Hyattville S (95 MW) Neil Simpson I )" 31 L W v !( 16 L Black Hills Power Inc. 89 £¤ I £¤ e H (21.7 MW) at F r r k 25 D e k e r E a l l s v a 20 §¨¦ R i o T R n £¤ E S A F N 85 S Caballo West L £¤ Hoe Creek E Coal Tract kj EP CABALLO 1,2 & 3 (I) IN-SITU COAL GASIFICATION PROJECTS Meeteetse Barber Creek Belle Ayr W-172657 MA PEABODY ENERGY
789 N North Coal Tract D O M Basin Electric Power Coop (50 MT)(A) !( E N R S (15 MW)(n) W-161248 290 S CHOONOVER Upton Bentonite Processing Plant Upton
O ROAD N RO !( R AD American Colloid Company (A) k r e y b O RIVER C G u l FIELD A MIDDLE at c l (Kcv) D 16 BISHOP ti £¤
n G R BELLE AYR a R i v Pitchfork FIELD l ALPHA NATURAL RESOUCES r POD
t e i No e ELECTRICAL GENERATING PLANTS
A r v w (45 MT)(A) v e i
o r r o Hoe Creek R 44°N e 50 59 MINING 16 44°N d !( !( £¤
C r e e k d 1, 2 &3 (I)
h E 433 Sunshine !( w t
u Ten Sleep o DISTRICT Reservoir P JACKSON o c S 431 Coal-bearing rocks in upper part of Upper Cretaceous f i !( Worland Osage i CORDERO ROJO COMPLEX COAL CREEK Neil Simpson II c CLOUD PEAK ENERGY Black Hills Power Inc. a 196 ARCH COAL INC. C Black Hills Power Inc. P !( (65 MT)(A) (50 MT)(A) (34.5 MW) Coal-fired plant
U (80 MW) Jackson c h e Lake GRASS u r Two Elks Emma Matilda BNSF 432 o C North American Power !( F Waste-coal-fired plant CREEK 434 RIVER Group, Ltd. Lake !( 171 (750 MW)(P) MINING !( 20 Newcastle BASE MAP SOURCES £¤
116 C Afton Wood Products Plant MoranHOLE Jct DISTRICT N !( Cogeneration plant C TricoTimber Inc. r (9 MW)(w) e Cities layer: Leigh GRASS CREEK E GRASS CREEK COAL CO. e BASIN BNSF Lake D r 0.05 MT (A) k at A L e R O 16 K v e £¤ Coal-bearing rocks in middle part of Upper Cretaceous R i 450 O l Rocky Hill A (! R P l (I)
H Hartzog
120 P e T C Basin Electric Power Coop
!( Kirby BNSF&UPRR Jenny U Hartzog B Other generating plants DM&E (15 MW)(n) Continental Divide boundary layer: # COAL M Two Elks Reno Jct GRAND N Lake PKBasin Electric Power Coop O N (15 MW)(n) North American Power Group, Ltd. TETON T GEBO Wright E WASHAKIE I (750 MW)(P) T 26 N O£¤ MINING 191 S NEEDLES !( B 89 DISTRICT 172 SOUTH County boundaries layer:
K £¤ (! U D Guernsey A H. A. IVIDE C 789 Kaycee T at £26 !( Lucerne Bentonite Mill BLACK THUNDER v U.S. Bureau of 191 ¤ 192 T A £¤ 170 Wyo-Ben Industries (A) ARCH COAL INC. POD Reclamation T E T O N R A N G EG N A R N O T E T !( E J (190 MT)(A) Hydroelectric plant !( S (6.4 MW) W 450 FIELD £287 !( ¤ A MINING Happy Jack 390 S O ! (Kf) W 190 Duke Energy Magnetic declination:at
( o s W i H L !( Coal-bearing rocks in lower part of Upper Cretaceous Wind generating project
r V n d SCHOOL CREEK £85 (29.4 MW)(14) A I DISTRICT ¤ Teton G e (Kf) K C PEABODY ENERGY e n Thermopolis 387 (40 MT)(A) DM&E t I R !( DM&E Village k r e E E a E (Teml) K 434 PLSS layer:at n !(
S R R i M N n n e v e A O y e r N C h e INDUSTRIAL FACILITIES USING COAL U West Antelope II DM&E Dubois G N £¤20 North Coal Tract Railroads layer: 22 T !( E MUDDY 789 W-163340 A R !( IN Wilson Jackson i CREEK B 25 v S RI §¨¦ Railroads-DM&E layer: at
(Kb) e MINING D G S NARO COMPLEX r E ANTELOPE Star Valley G PEABODY ENERGY Boysen R CLOUD PEAK ENERGY R DISTRICT (140 MT)(A) Cheese Plant (36 MT)(A) Coal-bearing rocks in Lower Cretaceous O US Bureau of Reclamation ^ Western Dairyman Coal-fired industrial plant (15 MW) M RED HILLS Company (A) S (Kf) O Rivers layer: U West Antelope II 387 r N !( South Coal Tract ve OTHER MAP SYMBOLS V T W-177903 i A Edgerton COAL R E I S £¤191 N N Midwest Roads layer: N S T W I N D R I V E R UPRR Railroadat W A R 18 £¤ K H E W i o b n E a !59 c d ( OUTCROPS OF NON-COAL-BEARING ROCKS k £¤26 State boundaries:at R Green River £¤287 # CROWHEART Boysen A BUTTE Lakes R WIND Reservoir Non-coal-bearing rocks at the surface underlain by coal-bearing rocks in the N I i R v Pilot Butte subsurface 189 G e Water layer: I £¤ r US Bureau of Reclamation
V £¤26 r E e
R N (1.6 MW) E v 89 i Pavillion £¤ R v i Shoshoni Sedimentary rocks not underlain by coal-bearing rocks Wind River Reservation boundary layer: e r R 259 at
O Pilot Butte !( Alpine 134 DM & E Proposed railroad GANNETT Reservoir !( W I N D £¤191 # D BNSF PEAK !(133 Ocean Quaternary volcanic rocks Bull Lake Palisades R HOBACK Wyoming DEM hillshade:at Lake £¤26 A RIVER Rolling Hills Reservoir Electrical transmission line N (99 MW)(66) !(789 £¤20 Eocene volcanic and volcaniclastic rocks S G n e New Fork £¤26
A V E e £¤26 R I V E R DAVE JOHNSTON r 352 Lakes (R) Glenrock L !( 270 DISCLAIMERS BASIN G £287 20 !( T ¤ £¤ Pacificorp R 705 (138 MW)(95) 271 Other volcanic rocks 89 (! FIELD !( South Dakota BASE MAP EXPLANATION £¤ COAL 25 43°N N 132 43°N I N D I A N §¨¦ Willow !( R E S E R V A T I O N Riverton e !(95 239 Star Valley Cheese Plant w Campbell Hill Landforms Roads !( Lake I B A S I N 136 Western Dairyman Company (A) !( (99 MW)(66) R N e b r a s k a 252 5 N e b r a s k a Precambrian basement rocks X §¨¦ I 137 E V !( "Ç V Fremont Fort Washakie ! 270 # (3 0 W / G Ó( Wyoming Top of the World !( E Lake Thayne r 256 85 e 136 FIELD ! Duke Energy £¤ "Ç Y Geographic ( 59 R ! y Cora !( (202 MW)(110) Ó( (! s O F E Center Strawberry Creek o 138 789 59 Lower Valley Energy Inc. kr !( !( 95 )" M Half Moon !( (1.5 MW) 354 Cole Creek BNSF&UPRR !( Lake (16.5 MW)(11) Approximate trace of Darby Thrust Fault I Cities N 93 Pinedale Burnt R Hudson BNSF !( R
R G ^_ Lake Mills Bentonite Processing Plant REAK S Boundaries Daniel HUDSON r N o r t h BNSF AT CRE EK B A v e Evansville P H 11 ALKALI BUTTE Kaycee Bentonite Company (A) i l a t t e _ 111 11 R 11 11 1 N MINING R £¤20 Glenrock 11 111 Boulder A U 1 237 MINING !( G DISTRICT T 201 Mills R Lake Lander )" Casper
S DISTRICT T Manville
E R R A a
i i L e 258 Water v
238 v e t !( 25 Lusk l t Dave Johnston Plant N
!( e r E a §¨¦ t l Pacificorp UPRR
Afton Wood Products Plant r 220 UPRR 18 S P !( 96 £¤ G
T (816.7 MW) !( Trico Timber Inc. 131 N 90 Douglas Afton (9 MW)(w) !( !253 !( £20 E ( ¤ 135 A 189 353 !( C AIN 236 £¤ R K ASPER MOUNT
!( BNSF !( E 18 £¤ Van Tassell 241 E NOTICE TO USERS OF INFORMATION FROM THE !( h D t A V E I 251 r E r R H !( e A B V o !91 R WYOMING STATE GEOLOGICAL SURVEY
v I I L ( i v i D L N 487 E e r BNSF
H 287 G R £ ¤ L !( N S RA Principal coal-bearing and related stratigraphic units in Wyoming WYOMING# N BARLOW K R PEAK X )"321 AC i GAP T v AYS A e 351 H 85 143 !( 94 £¤ r )" 28 E !( G !( G d G N R A WH I D E Marbleton n y LAN R Alcova A D a D A R O RO A 350 S E N U.S.Bureau of Reclamation 270 B U T T E S CUT F F !( R I K R Big Piney T 220 E R !(
R E E ! (41.4 MW) E OAD / LA N D E ( R HAMS R Alcova C Y M ER
E O E UPRR
89 S N r D Glendo Glendo £ . P I CU U ¤ T N Reservoir e G R E E N O F T Reservoir
v F A r I N i v e Fremont Canyon i S R A Glendo R X U.S. Bureau of Reclamation Bates Creek R 287 INDEPENDENCE O £¤ 789 A !( S (66.8 MW) U.S. Bureau of Reclamation g D ROCK Reservoir Lake i TABERNACLE e r w (38 MW) D B i v C e A # BUTTE e t
O U Alice R w a t e r BNSF R R 319 K O !( R 28 C !( M O O F O Pathfinder SUBL 191 K 220 S £¤ S ! H (
M Guernsey T Reservoir
I a t w t e r M G M FORK M e e O Reservoir S S w U N R Sunrise I T E H n A I N S S E N E e N a 315 R I V E R S T I T )" Hartville m e M M
S A r O T s G U Guernsey R Big Sandy N O E T R 487 U.S. Bureau of Reclamation Y A !( 89 Reservoir I D SHIRLEY BASIN (6.4 MW) !( R N F ER E 235 La Barge R E 111°W 110°W 109°W 108°W 107°W 106°W 105°W 104°W A I S # (! M P 77 Guernsey R O !( LARAMIE 26 N N U £¤ o r t h 159
I N PEAK !( G # T 45°N D E A OREGON I Fort Laramie BLACK HILLS E D N F G Bairoil A COALG BUTTES S COAL FIELD Yellowstone O o NAMES Kortes E Sheridan
R r
T 73 160 P N X k Eden HILL (! U.S. Bureau of Reclamation !( l a National K 232 r
E FORT S (36 MW) t !( A # Reservoir R Crook E e E Park Big Horn HILL M SHIRLEY t e Park R v NORTHERN R C i E I BIGHORN N Lingle POWDER E R O 157 BNSF N 28 I B A S I N !( D E !( COAL P M UNTAI R i Campbell E O MO NS v e Grayrocks ROCKY
r U r 85 S e N £ FIELD RIVER
G TA ¤ 44°N
v n t e n e l l e D Reservoir JACKSON Johnson I i o Cokeville F C N N
D r G R E A T S 156 R HOLE I k Seminoe !( Torrington Washakie e e Farson E T GREAT COAL Weston R Fontenelle Laramie River Station Teton COAL R U.S. Bureau of Reclamation Torrington Sugar i U.S. Bureau of Reclamation S Basin Electric Power Coop v (51.6 MW) M Beet Processing Plant FIELD Hot Springs
e (10 MW) y (1710 MW) FIELD 30 d Wheatland Holly Sugar Company (A) FIELD R E ¤£ r n Eden i e MOUNTAIN II d d a a h h o o T Dunlap 316 E Fontenelle a R Seminoe m !( R S U Pacificorp a i v 42°N T T r e 42°N Reservoir Hay Reservoir O (111 MW)(74) a r S P Naughton E L 311 312 WIND RIVER r Z !( PLAINS Y !( a Reservoir 351 EE 487 COAL FIELD N Reservoir GREEN Lost Creek )" R G e F (! Niobrara U t a h B O RIVER B 92 43°N o Fremont B O U HANNA COAL Lake w !( Converse FIELD M n e Natrona e d i c i S Veteran T MEDICINE BOW Seven Mile Hill SEMINOE II (R) H Huntley
28 g (! Pacificorp E UPRR Sublette
i BOAR'S MINING 154 # FIELD D I V I D E HANNA (99 MW)(66) N !( Yoder PROVINCEPROVINCE 287 161 e B TUSK £¤ G r e DISTRICT MINING H !( n KI L
LP EC H A N N A R O SOUTH GAP ROAD GAP SOUTH KER SAN DISTRICT i v L COAL 189 D DUNES e £¤ r 315 E M Goshen !( GREEN RIVER E 233 158 Platte )" Medicine Bow 314 !( GOSHEN FORK COAL FIELD 789 30 !( 42°N 240 !( MEDICINE BOW £¤ Platte River Power Authority HANNA COAL FIELD !( (R) B A S I N Medicine Lincoln (8.6 MW)(10) Wheatland 85 Hanna GOSHEN ¤£ Albany UPRR Bow Wheatland HOLE KEMMERER Simpson Ridge Reservoir #3 HAMS 30 ROCK !(89 Fossil £¤ !(372 North Knobs(I) N (300 MW)(199) Reservoir #2 Sweetwater CREEK MINING SUPERIOR o COAL FIELD Hawk Springs COAL COAL B A S I N r O Carbon E MINING t FIELD Pacificorp Naughton Kemmerer DISTRICT Opal h !(72 321 N Diamondville JIM BRIDGER 61 !( Uinta OCCURENCE
(707.2 MW) I DISTRICT L )" F o PACIFIC MINERALS ELK MOUNTAIN Laramie r k R Hawk Springs L s £¤191 (9.5 MT)(A) Chugwater H a m i Sinclair Hanna Site 41°N C MINING 313 Reservoir v Superior KEMMERER R Rawlins UPRR U.S. Department of Energy(I) B A S I N !( e 371 Rock River LLC L A R A M I E PITTSBURG & MIDWAY N i v !( 30 (7 MT)(A) e r £¤ DISTRICT AES SeaWest Y r 30 Big Island Trona Mine and Refinery £¤ Blacks Fork Trona Refinery Jim Bridger Creston 80 ( 50 MW)(50) Rock River U S Tg Soda Ash, Incorporated (A) Rhone-Poulnec Co. of Wyoming Pacificorp §¨¦ 34 BNSF Sub-bituminous Bituminous Mineable Jct ELK MOUNTAIN !( HOLE Cogeneration (? MW)(n) (2317.7 MW) STANSBURY Black Butte Pit 22 ARCH COAL INC. coal coal deposits L POINT 80 (6 MT)(A) I (P) ROCK (A) §¨¦
T KINDT S Approximate surface trace of La Grange OF 71 Chokecherry Elk Mountain 151 S M !( the Darby Thrust Fault system, Wamsutter I Anschutz Corporation Foote Creek Rim Long !( ROCK High Plains which divides the Hams Fork a c k ELK AES SeaWest 13 O UPRR l (1350 MW)(675)(P) s ROCKS R M ! Pacificorp Cooper INDEX MAP OF COAL FIELDS, GENERALIZED COAL RANKS AND Coal Field from the Green River B (84.8 MW)(133) ( Lake N F SPRINGS BASIN (99 MW)(66) 211 Coal Field Alchem Trona Mine and Refinery UPRR MTN e Lake (! UPRR General Chemical Corporation MINING C d McFadden SELECTED MINEABLE DEPOSITS OF WYOMING UPRR
I i Granger (30 MW)(n) Pacificorp T c Rock Springs DISTRICT (88.5 MW)(59) UPRR N i C Westvaco Trona Mine and Refinery MINING A n ROCK CREEK COAL "238 OAD 19 ) FMC Wyoming Corporation )" L e ROAD (55.5 MW)(n) 80 COAD §¨¦ 370 T 130 T 233 !( !( )" A P l a t MTN S t e DISTRICT A COAL FIELD 162 BLACK BUTTE G !( E F SPRINGS DENVER BASIN Green River KCP INC. 789 C B R o Woodruff Narrows BITTER CREEK COAL CO. !( S w o E (5 MT)(A) E Reservoir £¤189 Tenneco Minerals Company r k )"152 K R N Green River Trona Refinery (A) A Sierra Madre O James A
D Anschutz Corporation O 25 Albin 111°W 110°W 109°W 108°W 107°W 106°W 105°W 104°W k Lake 530 (650 MW)(325)(P) §¨¦ 216
412 r !(
!( R #
!( Saratoga F
: o #
: Beartooth # F 45°N
W AREA 0 Wyoming Wind Energy Center F F F F i : Mtns F
FPL Energy Wyoming Wind LLC B R I D G E R v # F 89 e # # B
# #
! r Note ( i (144 MW)(80) UPLIFT 430 # g F # M h # 225 ! Y : o ( # # r # UPRR # " N I ) n
17 #
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(60.9 MW)(29) !( Plateau F B I G H O R N M # MINING F # o # #
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# # POWDER (Non-economic coal deposits) n 414 MEDICINE BOW F ta
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UPRR E v G Lake Hattie !( Cheyenne Diesel Plant # Range # ge F
E i # M # r # 230 BNSF : tn
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R (! Cheyenne Light Fuel and Power Co. # : #
# F
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v c PROVINCE e F #
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i a # # # £ §¨¦ :
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M 70 (29.4 MW)(14) #
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R " Albany F
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191 R 789 209 217 INTERIOR # # ou
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¤ (! D )" : # t
R i v e r Silver Sage !( # # ai m M O U N T A I N S # n S H I R L E Y : r 230 : s I Duke Energy 207 PACIFIC # # GREEN # :
R p !( ") 161 PROVINCE # a # # B A S I N
" t ) : L
M D UPRR # : o (42 MW)(20) l # a e E u 214 # : : F 154 : Hartville uplift e # 287 0 r
m k Woods Landing 225 UPRR COAST RIVER g £ !( ") # a ¤ 203 B # : # B !( # 0 m # # e )"
l
a # i ROCKY F #
# # e # a e G R E A T Rawlins PROVINCE EASTERN # # BASIN F :
M c r 10 t s BNSF # 42°N ! HANNA ( s 70 C DIVIDE uplift # F
n # # Rock M u !( O 203 MOUNTAIN M
223 BASIN 0 # 230 PROVINCE r BASIN
" F ) o
E !( # :
! e h U ( N e b r a s k a o : u i t #Springs
PROVINCE F n
r F
t Magnetic Declination = 10 37.5' East : N F
85 F M DENVER 41°N # # # a
414 41°N # e
£¤ # :
# i
! Baggs T m v Wamsutter n ( uplift 0 S :
a #
F # # s r (May 19, 2011)
n a k e A O Moxa arch
Dixon M
BATTLE I a :
# N UPRR # arch # # #
L L # #
i t R MOUNTAIN S Chief Washakie BRIDGER # BASIN t # # M C o l o r a d o F
C o l o r a d o # # # l i 0 BASIN e Savery v r M 0 # # #LARAMIE
e WASHAKIE Sierra Medicine F 0 # # 0 Bow BASIN M BASIN # Madre Mountains # U t a h C o l o r a d o Scale 1:500,000 GULF # # 41°N PROVINCE 1 inch equals approximately 8 miles (13 kilometers) Map modified from D.L. Blackstone 0 25 50 75 100Miles
1 centimeter equals approximately 5 kilometers (3 miles) 111°W 110°W 109°W 108°W 107°W 106°W 105°W 104°W Volcanic rocks Yellowstone Caldera 0 Anticline, end arrow
Miles F shows plunge 0 10 20 30 40 50 60 Tertiary and Quaternary 0 Syncline, end arrow
Map Projection: Lambert conformal conic Approximate extent of basins M
(Paleocene and younger rocks) igneous intrusive rocks shows plunge False Easting: 500000, False Northing: 200000 0 Kilometers Normal fault, ball and bar Monocline, end arrow Central Meridian: -107.5 degrees West Overthrust Belt : S shows plunge Standard Parallel 1: 41 degrees North 0 20 40 60 80 100 on downthrown block (( (( Thrust fault Standard Parallel 2: 45 degrees North Precambrian rocks Fault, displacement Latitude of Origin: 41 degrees North unspecified $ Strike-slip fault Linear Unit: Meter MAP OF U.S. COAL FIELDS AND PROVINCES Horizontal Datum: North American Datum of 1983 Ellipsoid: Geodetic Reference System 80 EXCLUDING ALASKA STRUCTURAL MAP OF WYOMING