o o o o
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TbCl TbCm TbBm TbBu TbBl TbCu TbDl TbE TBi TbDm TbDu TbCu TbBu TbCu TbDu TbDl TbCu unmapped TbCu TbDl TbBm TbDl TbBm TbBu TbBu TbDl TbDm TbDu TbE TbDu TbDm TbCu TbCu TbCm TbCm TbCm TbCl TbCl TbCl TbCm TbCm TbCl TbCl TbCl TbCl TbCl TbBm TbBm TbCu g a b a a a b BKLS WRLS SCLS HMLS SCLS SC LS SCLS SC LS SCLS SHLS SHLS SHLS SHLS SHLS HFT HFT HFT HFT LTLS LTLS BBS BBS ULS ULS BELS BELS BBI BBIGEOLOGIC MAP UNITS
DISCLAIMERS
U sers of these map s are cautioned ab out using the data at scales different than those at which the m ap s were co m p iled — using this data ata largerscale will no tp ro vide greater accuracy,and in fact,itis a m isuse of the data.
T he Wyom ing State Geolo gical Survey (WSGS) and the State of Wyo m ing makes no
rep resentation or warranty, expressed or im plied, regarding the use, accuracy, or com pleteness of the data presented herein, or from a map printed fro m these data; no r shall the act of distrib ution constitute any such warranty. The WSGS does no t guarantee these digital data herein,o rm ap p rinted fro m these data,to b e free o f erro rs o r inaccuracies.
T he WSGS and the State of Wyo m ing disclaim s any responsibility or liab ility fo r interp reta tions fro m this digital data o rm ap p rinted from these digital data,or decisions
b ased thereon. The WSGS and the State of Wyo m ing retains and do es no t waive
sovereign im m unity.
T he use of or reference to tradem arks,trade nam es, or o therp ro ductor co m p any nam es in this product is for descriptive or informatio nal purpo ses, or is pursuant to licensing
agreem ents between the WSGS or the State of Wyo m ing and software or hardware
develop ers/vendors,and does no tim ply endorsem ento f those p ro ducts b y the WSG S o r the State o f Wyo m ing.
KEY TO MEASURED SECTIONS
(b lue indicates sections sho wn o n this m ap )
Map reference Name of measured section Reference sources *
a Reference Sectio n,T win Buttes Mem b er Ap pendix 2,T ab le 18
(NortheastSage Creek Mo untain)
b SouthwestSage Creek Mountain Ap pendix 5,T ab le 20
c SouthwestCedar Mountain Ap pendix 3,T ab le 19
d T yp e Section,T urtle Bluff Mem b er Ap pendix 4,T ab le 19
(West Cedar Mountain)
e SoutheastCedarMo untain Ap pendix 6,T ab le 21
f T yp e Section,T win Buttes Mem b er Ap pendix 1,T ab le 17
(SoutheastT win Buttes)
g NortheastHickey Mountain T ab le 22
h NortheastSage Creek Mo untain T ab le 23
i South CedarMountain T ab le 25
j North CedarMountain T ab le 24
k NortheastCedarMo untain T ab le 27
l NortheastMass Mo untain T ab le 26
m NorthwestBlack Mo untain T ab le 29
n NorthwestT win Buttes T ab le 28
* Refer to Wyo m ing State Geo lo gical Survey Rep ortof Investigation s
57 (2007).
ABBREVIATIONS FOR MARKER UNITS (red indicates units sho wn o n this m ap ) BBI Base o f Bishop Conglo m erate BRGB Behunin Reservoirgyp sum b ed BELS Basal E lim esto ne
ULS U pp erw hite lim esto ne BBS Basal b lue sheetsandsto ne
~BBS App ro xim ate level o f Basal b lue
sheetsandsto ne
HRL Hickey Reservo ir lim esto ne
LTLS L o netree lim estone HFLS Henrys Fork lim esto ne
HFT Henrys Fork tuff BFLS BurntFork lim esto ne
HRRB Horse Ranch red b ed
HMLS Hickey Mo untain lim esto ne SHLS Soap Holes lim esto ne BKLS Butcher Knife lim estone
WRLS Whiskey Reservo ir lim esto ne
SCLS Sage Creek lim esto ne
BISHOP CONGLOMERATE (Oligo cene)
BRIDGER FORMATION (early and m iddle Eocene)
Turtle Bluff Member (BridgerE) (middle Eocene)
Twin Buttes Member (“U p per Bridger”
o rBridgerC and D) (m iddle Eocene) upp erBridger D m iddle BridgerD lowerBridger D upp erBridger C m iddle BridgerC lowerBridger C
Blacks Fork Member (“L o wer Bridger”
or BridgerA and B)(early and m iddle Eocene) upper BridgerB
m iddle Bridger B lo wer BridgerB
Bridger A*
* no tpresento n this m ap
NOTICE TO USERS OF W YOMING STATE GEOLOGI CAL SURVEY INFORMATION
Most informatio n pro duced by the Wyo m ing State Geolo gical Survey (WSGS) is
p ublic dom ain, is not cop yrighted, and may be used without restriction. We ask that users credit the m ap autho rs and the WSGS as a co urtesy when using this informatio n in who le or in p art. This app lies to published and unpublished materials in p rinted o r electro nic fo rm .Contactthe WSGS if you have any questio ns ab outciting m aterials o r p rep aring acknowledgem ents.Y o ur co op eratio n is app reciated.
SCALE 1:24,000 Miles 1 0.5 0 1 Feet 1,000 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 Kilometers 1 0.5 0 1
CONTOUR INTERVAL 20 FEET
NATIONAL GEODETIC VERTICAL DATUM OF 1929 (Mo unta in View ) (Turtle Hill) (Butch er Kn ife Draw ) (S oa p H ole s R es erv oir ) (Bu rntfork) (Lonetree) (Table Mou ntain) (L ea vi tt Be nc h) TbCu TbCm TbCl TbBu TbBm TbBl TbA TBi TbE TbDu TbDm TbDl
Geology - Interpreting the past to provide for the future
WYOMING STATE GEOLOGICAL SURVEY
Ronald C. Surdam, State Geologist
Laramie, Wyoming
EXPLANATION
OPEN FILE REPORT 07-7A
Reed Reservoir 1:24,000-scale Geologic Map
Base Map from U.S. Geological Survey #1:24,000-scale topographic map of the Reed Reservoir, Wyoming 7 1/2-minute Quadrangle, 1964
Projection: Universal Transverse Mercator (UTM), zone 12 North American Datum of 1927 (NAD 27)
1,000 meter grid ticks: UTM zone 12
10,000-foot grid ticks:Wyoming State Plane Coordinate System, West zone
UTM GRID CONVERGENCE (GN)
1980 MAGNETIC DECLINATION (MN) AT CENTER OF SHEET DIAGRAM IS APPROXIMATE 9 MILS 267 MILS MN GN
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0O 32' 15 OBRIDGER FORMATION PROJECT LOCATION MAP Lone tree Burnt fork McKin non Horse Ran ch Antel ope W ash Reed Rese rvoir Linwo od C anyo n Devils Play groun d Soap Holes Res ervoir Black Sprin g Res ervoir 109°40'W 109°40'W 109°45'W 109°45'W 110°15'W 110°15'W 109°50'W 109°50'W 110°10'W 110°10'W 109°55'W 109°55'W 110°5'W 110°5'W 110°W 110°W 41°10'N 41°10'N 41°5'N 41°5'N 41°N 41°N
INDEX MAP OF 1:24,000 - SCALE QUADRANGLES
Num b er indic ates Wyo m ing State Geo lo gic al Survey Op en File Rep o rt (OFR)
(1:24,000-scale digital geo lo gic m ap s are inc luded o n CD fo r RI-57)
A 1:100,000 - scale geo lo gic m ap o f all quadrangles ab o ve is p ublished
in Wyo m ing State Geo lo gic al Survey Rep o rt o f Investigations (RI) 57
OFR 0 7-7A OFR 0 7-7B OFR 0 7-7F OFR 0 7-7G OFR 0 7-7C OFR 0 7-7H OFR 0 7-7D OFR 0 7-7E OFR 0 7-7I OFR 0 7-7J
BEDROCK
GEOL OGIC
MAP
OF
T HE
REED
RESERV OIR
QU ADRANGL E,
U INT A
COU NT Y ,
SOU T HWEST ERN
WY OMING
b y
E.
Evano ff,
P.
C.
Murphey,
J.
E.
Haessig,
A.
A.
Sm ith,
and
N.
Mat
thews
2007
A digital version of this map is also available on CD-ROM.
People with disabilities who require an alternative form of communication in order to use this publication should contact the Editor, Wyoming State Geological Survey. TTY Relay Operator 1 (800) 877-9975f
Digital cartography by Justin E. Scott and David W. Lucke
Wyoming State Geological Survey P.O. Box 1347 - Laramie, WY 82073-1347 Phone: (307) 766-2286 - Fax: (307) 766-2605 Email: wsgs_sales@uwyo.edu
MAP SYMBOLS
Marker unit,exp o sed; see ABBREV IAT IONS FOR MARKER U NITS
Marker unit,inferred where p o o rly exp o sed; see ABBREV IAT IONS
FOR MARKER U NITS
Measured sec tion; do tted line indic ates b reak o r o ffset in sec tion;
see KEY T O MEASU RED SECT IONS
T yp e lo c ality lo c ation fo r m arker b ed units b elo w b
HFT SHLS
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BBIGENERALIZED STRATIGRAPHIC SECTION IN THE AREA OF HICKEY, SAGE CREEK, AND CEDAR MOUNTAINS
