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historical topo map of Modoc County, CA in 1990

1990 Map of Infernal Caverns

USGS Topo · Published 1990

This historical map portrays the area of Infernal Caverns in 1990, primarily covering Modoc County. Featuring a scale of 1:24000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Infernal Caverns region at the time. Published in 1990, it is the sole known edition of this map.

Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.9 x 26.7 inches

Editions of this 1990 Infernal Caverns Map

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

Historical Maps of Modoc County Through Time

152 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain