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1931 Map of West of Tejon Hills
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1931 Map of West of Tejon Hills

USGS Topo · Published 1931

About this map

Mt Diablo Base and Meridian and San Bernardino Base and Meridian converge in this high-altitude survey of Kern County, where the southern San Joaquin Valley meets the rising slopes of the Tehachapi Mountains. The early 1930s landscape is defined by the massive Wheeler Ridge and the development of regional infrastructure, notably the Tejon Substation and two major electrical corridors: the San Joaquin Light and Power Company Transmission Line and the Southern California Edison Company Transmission Line. Early aviation markers are also present, including an Airway Beacon and a Department of Commerce Landing Field, reflecting the era's expanding air travel routes through this mountain pass area. Natural drainage is traced through Tecuya Creek and Grapevine Creek, while the Maricopa Road provides the primary transit route through the foothills.

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Map Details

Date Portrayed1931
Date Published1931
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:31,680
Physical Dimensions17.1 x 22.5 inches

Editions of this 1931 West of Tejon Hills Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain