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1990 Map of Leonards Hot Springs
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1990 Map of Leonards Hot Springs

USGS Topo · Published 1990

About this map

Leonards Hot Springs and the geothermal activity of the Surprise Valley basin define this desert landscape on the edge of the Modoc plateau. The western margin is dominated by the expanse of Middle Alkali Lake, where seasonal fluctuations create vast stretches of Alkali Flat and Mud. Human intervention in this arid environment is marked by the Causeway traversing the lakebed and the established Surprise Valley Mineral Wells.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.6 inches

Editions of this 1990 Leonards Hot Springs Map

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

Historical Maps of Modoc County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain