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1991 Map of Tassajara, 1995 Print
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1991 Map of Tassajara

USGS Topo · Published 1995

About this map

The Black Hills dominate this section of the Diablo Range, where the boundary between Contra Costa and Alameda counties follows the ridgelines and canyon floors. The landscape is defined by its educational and ranching history, evidenced by the presence of Tassajara Sch and Highland Sch, both marked as abandoned by the early 1990s. These former school sites sit near critical rural arteries like Tassajara Road and Highland Road, which historically connected the scattered homesteads of the interior valleys.

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Map Details

Date Portrayed1991
Date Published1995
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.4 x 26.7 inches

Editions of this 1991 Tassajara Map

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

Historical Maps of Tassajara Through Time

58 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain