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1948 Map of Mokelumne Hill

Name: 1948 Topographic Map of Mokelumne Hill
Creator: U.S. Geological Survey
Published: 1965
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1965

About this map

Gold Country history is etched across the landscape of this 1948 survey, where the Mokelumne River and its various forks carve through the Mother Lode region. Mining remains a visible legacy of the area's development, evidenced by the Barkley Mine, Wolverine Mine, and the Fort Ann Mine. The map highlights the evolution of transit and infrastructure, from the Mother Lode Airport to the complex water engineering of the Electra Tunnel and Tiger Creek Spillway Canal.

Settlement patterns show a mix of established towns like West Point and Railroad Flat alongside earlier foundations, such as the Butte City (Site) and Middle Bar (Site). Genealogists may find value in family-named landmarks including the Lombardi Ranch and McSorley Ranch, while local institutions like the New York Ranch School and Milligan Sch provide a detailed look at the social geography of Amador and Calaveras counties in the mid-century.