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1958 Map of Whitaker Peak

Name: 1958 Topographic Map of Whitaker Peak
Creator: U.S. Geological Survey
Published: 1976
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1976

About this map

Castaic Lake and the infrastructure of the California Aqueduct dominate this mid-century look at the mountains north of Los Angeles. The map documents a period of significant hydraulic engineering, featuring the Elderberry Forebay, Penstock systems, and the Castaic Powerplant as they integrated into the drainage of Castaic Creek.

Evidence of earlier passage remains visible via the Old Ridge Route winding through the high terrain, connecting points like Paradise Ranch and Whitaker Summit. Cultural and recreational sites are scattered across the Angeles National Forest and Los Padres National Forest, including Frenchmans Flat and Martins. The landscape is further defined by historic land divisions like the Temascal National Forest Grant, providing a detailed record of the intersection between industrial development and public lands.