1
44° 52' 30" T. 8 S. T. 9 S. Salem Liberty Road S. Commercial Street SE T. 7 S. T. 8 S. Liberty Davis Road S. Skyline Road S. Rosedale Road S. Ankeny Hill Bunker Hill Creek River Road S. R i v e r Laurel Creek S. Road Croisan Ridge Cole Road S. Kuebler Road Creek Road Croisan Skyline Road S. Battle Creek S. Hill Bunker R. 3 W. Kuebler Croisan Creek Roberts Pettijohn Illahee Hill 123° 07' 30" W i l l a m e t t e R. 3 W. R. 4 W. S. Vitae Springs Plank Hill Fidler Creek Springs Road Skyline R i v e r R. 4 W. 123° 07' 30" Prospect Hill Road S. Vitae River Road S. Independence W i l l a m e t t e Riverside Drive S. T. 9 S. T. 8 S. H a y d e n S l o u g h 44° 52' 30" T. 7 S. T. 8 S. Location Map OREGON Earthquake-Induced Slope Instability: Relative Hazard Map Western Portion of the Salem Hills, Marion County, Oregon By R. Jon Hofmeister and Yumei Wang, Oregon Department of Geology and Mineral Industries, and David K. Keefer, U. S. Geological Survey Moderate Low Very low Hazard ratings High EXPLANATION Base map derived from U.S. Geological Survey 7 ½-minute quadrangles: Rickreall, Salem West, Monmouth, and Sidney, OR Please note: The information provided on this map should NOT be substituted for site-specific geotechnical investigations. The relative hazard ratings are based on regional analyses and are intended for regional applications. Please refer to DOGAMI Special Paper 30 for a detailed discussion of the mapmaking methodologies. IMS-17 STATE OF OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES JOHN D. BEAULIEU, STATE GEOLOGIST 2000 The quadrangles were scanned and converted to vector files by the Engineering Suppport Unit of the Oregon Department of Corrections Universal Transverse Mercator projection, zone 10 NAD 1927 0 ½ Mile 1 0 1 2 Kilometers 0 1 2 Kilometers Earthquake-Induced Slope Instability: Relative Hazard Map Western Portion of the Salem Hills, Marion County, Oregon By R.J. Hofmeister and others Funded by the Oregon Department of Geology and Mineral Industries and the University of Washington Valle Scholarship Program Rickreall Salem West Monmouth Sidney S T U D Y A R E A Study area with U.S. Geological Survey 7½-minute quadrangles This map is available from: The Nature of the Northwest Information Center 800 NE Oregon Street #5 Portland, OR 97232 503/872-2750 www.naturenw.org and the Baker City and Grants Pass, Oregon field offices of the Oregon Department of Geology and Mineral Industries % MARION CO. POLK CO. MARION CO. POLK CO. Scale 1:24,000

DOGAMI Interpretive Map IMS-17, Earthquake … DOGAMI Interpretive Map IMS-17, Earthquake-induced slope instability; relative hazard map, western portion of the Salem Hills, Marion

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44° 52' 30"

T. 8 S.

T. 9 S.

Salem

Libe

rty

Roa

d S

. Com

mercial S

treet SE

T. 7 S.

T. 8 S.

Liberty

Davis Road S.

Skyli

ne R

oad

S.

Rosedale

Road

S.

AnkenyHill

BunkerHill

Cree

k

River Road S.

R i v e r

Laur

el

Cre

ek

S.

Road

Crois

an

Ridge

Cole Road S.

Kuebler Road

Cre

ek

Road Croisa

n

Skyline

Roa

d

S.

Battle

Creek

S.

Hill

Bun

ker

R. 3 W.

Kuebler

Croi

san

Creek

Roberts

Petti

john

Illahee Hill

123° 07' 30"

W i l l a m e t

t e

R. 3 W.R. 4 W.

S.Vitae

Springs

PlankHill

Fidler

Creek

Springs Road

Skylin

e

R i v e r

R. 4 W.123° 07' 30"

ProspectHill

Roa

d

S

.

Vitae

River Road S.

Independence

W i l l a m e t t e

Riverside Drive S.

T. 9 S.

T. 8 S.

H a y d e n

S l o

u g h

44° 52' 30"

T. 7 S.

T. 8 S.

Location Map

OREGON

Earthquake-Induced Slope Instability: Relative Hazard MapWestern Portion of the Salem Hills, Marion County, Oregon

By R. Jon Hofmeister and Yumei Wang, Oregon Department of Geologyand Mineral Industries, and David K. Keefer, U. S. Geological Survey

Moderate

Low

Very low

Hazard ratings

High

EXPLANATION

Base map derived from U.S. Geological Survey 7 ½-minute quadrangles: Rickreall, Salem West, Monmouth, and Sidney, OR

Please note:The information provided on this map should NOT be substituted for site-specific geotechnical investigations. The relative hazard ratings arebased on regional analyses and are intended for regional applications.

Please refer to DOGAMI Special Paper 30 for a detailed discussion ofthe mapmaking methodologies.

IMS-17

STATE OF OREGONDEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES

JOHN D. BEAULIEU, STATE GEOLOGIST

2000

The quadrangles were scanned and converted to vector files bythe Engineering Suppport Unit of the Oregon Department of Corrections

Universal Transverse Mercator projection, zone 10NAD 1927 0 ½ Mile1

0 1 2 Kilometers0 1 2 Kilometers

Earthquake-Induced Slope Instability: Relative Hazard MapWestern Portion of the Salem Hills, Marion County, Oregon

By R.J. Hofmeister and others

Funded by the Oregon Department of Geology and Mineral Industriesand the University of Washington Valle Scholarship Program

Rickreall Salem

West

Monmout

h

Sidney

S T U D Y

A R E A

Study area with U.S. GeologicalSurvey 7½-minute quadrangles

This map is

available from:

The Nature of the Northwest Information Center800 NE Oregon Street #5Portland, OR 97232 503/872-2750 www.naturenw.organd the Baker City and Grants Pass, Oregon field officesof the Oregon Department of Geology and Mineral Industriesf

MARI

ON CO.

POLK

CO.

MA

RIO

N C

O.

POLK

CO

.

Scale 1:24,000