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1990 Map of Chipmunk Ridge
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1990 Map of Chipmunk Ridge

USGS Topo · Published 1990

About this map

Emerson Ridge and Boulder Ridge define the steep, drainage-cut topography of this Douglas County timberland during the late twentieth century. The Middle Fork Coquille River enters the terrain near Mystic Creek, while a network of 4WD tracks provides access to the high elevations of Chipmunk Ridge. Evidence of local industry and resource extraction is visible through several labeled Quarry and Borrow Pit locations, particularly along the lower slopes and creek beds.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.8 inches

Editions of this 1990 Chipmunk Ridge Map

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

Historical Maps of Douglas County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain