historical topo map of Modoc County, CA in 1993

1993 Map of Big Swamp

USGS Topo · Published 1996

This historical map portrays the area of Big Swamp in 1993, primarily covering Modoc County as well as portions of Lassen 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 Big Swamp region at the time. Published in 1996, it is the sole known edition of this map.


Map Details

Date Portrayed1993
Date Published1996
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.4 x 26.7 inches

Editions of this 1993 Big Swamp 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

CopyrightPublic Domain