1948 Map of York Mountain, 1971 Print
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1948 Map of York Mountain

USGS Topo · Published 1971

About this map

York Mountain and the high ridges of the Santa Lucia Range dominate this topography, which was mapped by the Army Map Service using aerial photography from 1947. This mid-century landscape reflects a rural ranching economy, centered on properties such as Kentucky Ranch and Santa Rita Ranch. The drainage pattern is complex, defined by the headwaters of Paso Robles Creek, Willow Creek, and Santa Rita Creek, which carve deep canyons like Dover Canyon through the terrain. Evidence of early 20th-century rural education is visible in the distribution of schools across the hills, including Summit Sch, Oakdale Sch, and Asuncion Sch. These small schoolhouses served a dispersed community connected by primitive routes like Summit Road, while numerous Windmills and a high-elevation Reservoir indicate the necessity of water management for the local ranching operations.


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Map Details

Date Portrayed1948
Date Published1971
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

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Source Details

CopyrightPublic Domain