Prepared in cooperation with theWater Resources Program of the Yakama Nation

Base from U.S. Geological Survey: Hagerty Butte, 1965; McKays Butte, 1965; Outlet Falls, 1970; Poland Butte, 1970; Signal Peak, 1970; Twin Buttes, 1970Universal Transverse Mercator projection

Geology mapped in partnership with the Water Resources Program of the Yakama Nation: Bob Pimms, Program ManagerGIS database by J.E. RobinsonEdited by J.L. Zigler; digital cartographic production by Kathryn NimzManuscript approved for publication October 24, 2014

U.S. Department of the InteriorU.S. Geological Survey

Scientific Investigations Map 3315Sheet 1 of 3

Pamphlet accompanies map

Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government

For sale by U.S. Geological Survey, Information Services, Box 25286, Federal Center, Denver, CO 80225, 1–888–ASK–USGS

Digital files available at http://dx.doi.org/10.3133/sim3315 or http://pubs.usgs.gov/sim/3315/

Suggested citation: Hildreth, Wes, and Fierstein, Judy, 2015, Geologic map of the Simcoe Mountains volcanic field, main central segment, Yakama Nation, Washington: U.S. Geological Survey Scientific Investigations Map 3315, scale 1:24,000, 3 sheets, pamphlet 76 p., http://dx.doi.org/10.3133/sim3315.

ISSN 2329-1311 (print)ISSN 2329-132X (online)

http://dx.doi.org/10.3133/sim3315

APPROXIMATE MEANDECLINATION, 2015

7000 FEET1000 10000 2000 3000 4000 5000 6000

.5 1 KILOMETER1 0

SCALE 1:24 000

CONTOUR INTERVAL 20 AND 40 FEETNATIONAL GEODETIC VERTICAL DATUM OF 1929

1/21 0 1 MILE

Geologic Map of the Simcoe Mountains Volcanic Field, Main Central Segment, Yakama Nation, WashingtonBy

Wes Hildreth and Judy Fierstein2015

KAISERBUTTE

JUNGLEBUTTE

OAKHILL

KLOSEBUTTE

POTATOBUTTE

HAGERTYBUTTE

SHEEPBUTTE

STAGTRIG

SIGNALPEAK

SIMONBUTTE

MCKAYSBUTTE

HOPPERSFLAT

TWINBUTTES

M I K EC O O N

A N T I C L I N E

M I K E C O O N A N T I C L I N E

S I M C O E M O U N T A I N S A N T I C L I N E

M I K E C O O N A N T I C L I N E

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Signal PeakRanger Station

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CedarCreek

Cree

k

Featherbed

Twentyfive

Mile

Creek

Schafer Creek

Mill Pond

Out

let

Creek

OutletFalls

K L I C K I T A T R I V E R

Deer

Creek

Elk

Cre

ek

Bea

r Cre

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Trou

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ElkCree

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JoeCreek

Surve

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GrahamSpring

Creek

Summit

Creek

Summit

Whi

te C

reek

Brush Creek

Cree

k

Blue

Brush

Creek

KinneyCreek

Dry Creek

Blue Creek

Sheep Creek

East Fork Brush Creek

KL

I CK

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T

RI V

ER

Pole

Creek

South

Fork

Toppenish Creek

SouthFork

White

Creek

Tepe

e

Creek

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hite

West

Fork

ShamrockSpring

LyonSpring

Lost Springs

White

DeerCree

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Middle

Fork

Dry

Creek

CoyoteSpring

Snow

Creek

Creek

Tepee

Surprise Creek

OlneyCreek

DelaneySpring

Creek

Cam

p

SmithSpring

VesseySprings

Oak Spring

JungleSpring

HogSwamp

Kaiser B

utte R

oad

Summit Creek Road

Glenwood-Goldendale Highway

Tro

ut

Cre

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oad

River R

ou

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Peavine

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Old

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Road

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reekR

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Peavine Ridge Road

Signal Peak Road

PeavineRidge

Road

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Springs

Val

ley

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ar

Ro

ad

Summit Creek Road

Cedar Valley Road

Road

Old Peavine Ridge Road

Brush Creek Road

Vess

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Ro

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Signal Peak R

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West

Road

Whi

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Creek

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IXL Crossing

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IXL Crossing Road

Cedar Valley Road

TwentyDay

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HoppersFlat Road

Coy

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mnb

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121°15'46°15'

12'30"

-121°7'30"

121°

120°52'30"46°15'

21°30'

46°

46°07'30"

121°7'30"

-121°

120°52'30"46°

2'30"

46°07'30"

10'

12'30"10'

5'5'

57'30"55'

10'

5'

55'57'30"

10'

5'

12'30"121°15'

2'30"

12'30"

5'

5123000m.N.

5109000m.N.

636000m.E.635637 638 639 640 641 642 643 644

646 647 648 649 650 651 652653 654

656657

658659

660661

662 663

5122

5121

5120

5119

5118

5117

5116

5115

5114

5113

5112

5111

5110

5108

5107

5106

5105

5104

5103

5102

5101

5100

5099

5098

5097

5096

645000m.E.

655000m.E.

636000m.E. 637 638 639 640 641 642 643645 646 647

648 649 650 651 652 653655

656657 658

659660

661662

663

644000m.E.

654000m.E.

664000m.E.

5097000m.N.

5098

5099

5100

5101

5102

5103

5104

5105

5106

5108

5107

5109

5110

5111

5113

5112

5114

5115

5116

5117

5118

5119

5120

5121

5122

5123

Outlet Falls [OF]

Sign

al P

eak

[SP]

Out

let F

alls

[OF]

Signal Peak [SP]

Poland Butte [PB]

McKays Butte [MB]

McK

ays B

utte

[MB

]Twin Buttes [TB]

Hagerty Butte [HB]

Hag

erty

But

te [H

B]