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1969 Map of Rock Spring Peak

Name: 1969 Topographic Map of Rock Spring Peak
Creator: U.S. Geological Survey
Published: 1973
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1973

About this map

The San Andreas Rift Zone dominates the southwestern portion of this San Benito County landscape, carving the distinct corridor of Bitterwater Valley. This tectonic boundary shapes the local geography, placing the Bitterwater-Tully Sch and Bitterwater Cem near the shifting ground of the rift. The area is defined by ranching and water management in a semi-arid environment, evidenced by isolated settlements like the Lew Smith Ranch and Morellini.

Upland features such as Squire Ridge and Rock Spring Peak rise above a complex network of seasonal drainages, including Devils Canyon and James Creek. Water resources are central to the map's details, with numerous named springs like Blue Jay Splash and Mud Spring alongside infrastructure such as Three Corners Dam. This 1969 survey captures a rural landscape where fire management at the Fire Control Station and small-scale ranching are the primary human imprints on the land.