1955 Map of Pacheco Pass, 1965 Print
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1955 Map of Pacheco Pass

USGS Topo · Published 1965

About this map

Pacheco Pass serves as the central focal point of this mid-century survey, marking a vital transit corridor through the Diablo Range along the boundary of Santa Clara and Merced counties. The landscape is defined by the Pacheco Pass Highway, which had recently been expanded to a 4-lane thoroughfare to accommodate growing travel between the Central Valley and the coast. Surrounding the pass, the terrain of San Luis Gonzaga is dotted with numerous seasonal and permanent water sources, including Dinosaur Lake, Wolf Lake, and the evocative Pigs Bath Tub.


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Map Details

Date Portrayed1955
Date Published1965
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

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Source Details

CopyrightPublic Domain