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1962 Map of Valley Springs

Name: 1962 Topographic Map of Valley Springs
Creator: U.S. Geological Survey
Published: 1963
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1963

About this map

Valley Springs serves as a focal point in this early 1960s topographic record, where the Southern Pacific railroad line intersects with local commerce and infrastructure. The landscape is undergoing significant hydrologic change, marked by the blue hatching of the New Hogan Reservoir and Camanche Reservoir, indicating areas subject to inundation following the completion of the New Hogan Dam. These massive water projects redefine the terrain around the Calaveras River and the Mokelumne River.

Legacy mining operations are still visible across the hills, including the Penn Mine, Pluto Mine, and Emma Mine. Older settlements like Campo Seco and Toyon appear alongside significant landmarks such as the Valley Springs Peak Lookout. The presence of numerous claypits and the Pacific Placer Reservoir highlights the region's enduring connection to resource extraction and water management during this era of California's development.