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1922 Map of Island Mountain
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1922 Map of Island Mountain

USGS Topo · Published 1922

About this map

Trinity National Forest landscape dominates this tactical survey, defined by the rugged drainage basins of the Mad River and Eel River. The terrain is marked by a series of remote Ranger Stations, including Salt Ridge R.S. and Blair Cr. R.S., which served as the operational backbone for early forest management in Northern California. Small settlements like Zenia, Hoaglin, and Island Mountain are isolated by a network of steep canyons such as Cox Canyon and numerous mountain branches.

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Map Details

Date Portrayed1922
Date Published1922
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions18.03 x 22.02 inches

Editions of this 1922 Island Mountain Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain