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1990 Map of Ash Valley
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1990 Map of Ash Valley

USGS Topo · Published 1990

About this map

Ash Valley defines this portion of northeastern California, where the high-elevation flats are irrigated by Ash Creek and numerous family-named springs. In 1990, the landscape remained characterized by ranching and resource extraction, with features like Fleming Sheep Camp and several Borrow Pits and a Gravel Pit scattered across the basin. The southern and western reaches of the sheet are dominated by the elevations of the Modoc National Forest, containing named peaks like Knox Mountain and Anderson Mountain.

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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 Ash Valley Map

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

Historical Maps of Lassen County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain