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1961 Map of Calaveras Reservoir

Name: 1961 Topographic Map of Calaveras Reservoir
Creator: U.S. Geological Survey
Published: 1962
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1962

About this map

The Calaveras Reservoir dominates the northern terrain of this 1961 survey, where the waters of Alameda Creek and Calaveras Creek meet amidst the high ridges of Poverty Ridge and the Los Buellos Hills. This era captures a transitional landscape on the edges of the Santa Clara Valley, where the expanding city boundaries of San Jose and Milpitas begin to push into the foothills. The residential growth of Berryessa is visible in the southwestern corner, characterized by new street grids near San Jose and several local institutions such as San Jose Hospital and McCollam Sch.

Further into the canyons, the landscape remains dedicated to utility and recreation. Alum Rock Park follows the steep path of Upper Penitencia Creek, while industrial activity is noted at the Filtration Plant and various quarries. Rural education is still represented by the Air Point Sch along Calaveras Road, providing a glimpse into the earlier settlement patterns of the Calaveras Valley before suburbanization fully transformed the region.