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1990 Map of Graven Ridge
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1990 Map of Graven Ridge

USGS Topo · Published 1990

About this map

Graven Ridge dominates this northern California landscape, which is largely defined by the high-elevation terrain within the Modoc National Forest. This 1990 survey captures a region where water management is central to the land's utility, evidenced by a series of named reservoirs including Graves Reservoir, Grauen Reservoir, and Bayley Reservoir. These water bodies, along with numerous natural sources like Arnett Spring and Lunsford Spring, support the sparsely settled cattle and timber country typical of the Modoc Plateau.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.7 inches

Editions of this 1990 Graven Ridge 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