1922 Map of San Luis Creek
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1922 Map of San Luis Creek

USGS Topo · Published 1922

About this map

San Luis Ranch and (Howard Ranch) serve as the primary human focal points in this 1916 survey of the Central Valley foothills. The landscape is dominated by the San Luis Gonzaga land grant, where the seasonal waters of San Luis Creek and Romero Creek descend toward the plains. The presence of Basalt Hill indicates the distinct volcanic geology of the region, which contrasts with the alluvial flats found to the east. Transportation through this terrain is defined by the Pacheco Pass Road, a vital transit corridor connecting the coast and the interior valley before the modern highway system was fully realized. Numerous unnamed Spring points are scattered across the topography, highlighting the importance of water sources for cattle ranching in this arid environment during the early twentieth century.


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Map Details

Date Portrayed1922
Date Published1922
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:31,680
Physical Dimensions17.6 x 19.8 inches

Editions of this 1922 San Luis Creek Map


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Source Details

CopyrightPublic Domain