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1955 Map of Lone Tree Creek

Name: 1955 Topographic Map of Lone Tree Creek
Creator: U.S. Geological Survey
Published: 1965
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1965

About this map

Ladd Mine and the Buckeye Mines anchor this mid-1950s survey of the Diablo Range foothills, where the industrial water needs of the region are traced by the Hetch Hetchy Aqueduct cutting across the northern sections. The landscape is defined by sharp parallel formations including North Ridge, South Ridge, and Pegleg Ridge, creating a network of deep drainages like Hospital Creek and Corral Hollow.

Resource extraction and seasonal water sources appear throughout the terrain, from the Lone Tree Mineral Spring to numerous family-named or descriptive water sites such as Sperry Springs, Blueberry Spring, and Elder Spring. The intersection of San Joaquin, Stanislaus, and Alameda counties is marked here, showing the remote canyon lands before significant modern development altered these historic ranching and mining corridors.