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1981 Map of Twelvemile Ridge
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1981 Map of Twelvemile Ridge

USGS Topo · Published 1981

This historical map portrays the area of Twelvemile Ridge in 1981, primarily covering Malheur County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Twelvemile Ridge region at the time. Published in 1981, it is the sole known edition of this map.

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Map Details

Date Portrayed1981
Date Published1981
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.9 x 26.8 inches

Editions of this 1981 Twelvemile Ridge Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Malheur County Through Time

194 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain