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1953 Map of Tassajara, 1954 Print
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1953 Map of Tassajara

USGS Topo · Published 1954

About this map

Morgan Territory and the Black Hills dominate this mid-century topographic study of the divide between Contra Costa and Alameda counties. The landscape is defined by its canyon systems and historic land grants, notably the Las Positas Grant Boundary and the expansive Cañada de los Vaqueros. At this time, the rural character of the region was preserved through a network of winding roads like Morgan Territory Road and Finley Road, connecting isolated springs and small agricultural outposts.

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Map Details

Date Portrayed1953
Date Published1954
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1953 Tassajara Map

Historical Maps of Tassajara Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain