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historical topo map of Humboldt County, CA in 1979

1979 Map of Black Lassic

USGS Topo · Published 1979

This historical map portrays the area of Black Lassic in 1979, primarily covering Humboldt County as well as portions of Trinity 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 Black Lassic region at the time. Published in 1979, it is one of 3 known editions of this map due to revisions or reprints.

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Map Details

Date Portrayed1979
Date Published1979
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22.2 x 27.1 inches

Editions of this 1979 Black Lassic Map

Historical Maps of Humboldt County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain