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1962 Map of San Andreas

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

USGS Topo · Published 1963

About this map

The Mother Lode region of Calaveras County reveals a landscape defined by its deep mining heritage and rugged terrain during the early 1960s. San Andreas serves as the focal point, situated at the confluence of several watercourses including Murray Creek and the Calaveras River. The map highlights the extensive industrial legacy of the area, featuring numerous gold-era claims such as the Cassinelli Mine, Hageman Mine, and Lucky Boy Mine, alongside contemporary industrial sites like the large Cement Plant at Kentucky House.

Transportation and public infrastructure are anchored by the Southern Pacific railroad line and the Calaveras County Airport. Genealogists may find value in the location of the Pioneer Cem and the Mark Twain Hospital, while topographic features like Hogback Mountain and the Bear Mountains illustrate the dramatic elevation changes that shaped the development of early settlements. The presence of Tailings, Quarries, and a Gravel Pit further underscores the extractive industry that remained a primary economic driver for the county well into the mid-20th century.