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historical topo map of Trinity County, CA in 1953

1953 Map of Blackrock Mtn

USGS Topo · Published 1973

This historical map portrays the area of Blackrock Mtn in 1953, primarily covering Trinity County. Featuring a scale of 1:62500, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Blackrock Mtn region at the time. Published in 1973, it is the sole known edition of this map.

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Map Details

Date Portrayed1953
Date Published1973
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62500
Physical Dimensions17.3 x 21.8 inches

Editions of this 1953 Blackrock Mtn Map

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

Historical Maps of Trinity County Through Time

104 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain