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1978 Map of Blake Mountain
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1978 Map of Blake Mountain

USGS Topo · Published 1978

About this map

Six Rivers National Forest and Trinity National Forest dominate this 1978 topographic study, where the dividing line between Humboldt and Trinity counties follows the high mountain ridges. The landscape is defined by the steep drainage basins of the Mad River and Pilot Creek, separated by a complex network of named ridges including Bailey Ridge and Eightmile Ridge.

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Map Details

Date Portrayed1978
Date Published1978
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions20.25 x 26.39 inches

Editions of this 1978 Blake Mountain Map

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

Historical Maps of Humboldt County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain