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1979 Map of Twain Harte

Name: 1979 Topographic Map of Twain Harte
Creator: U.S. Geological Survey
Published: 1988
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1988

About this map

Twain Harte and the surrounding timber and mining country of the Stanislaus National Forest appear here during a period of established residential growth. The landscape is defined by the transition from industrial extraction to recreation and mountain living, visible in the cluster of small settlements like Sierra Village, Mi-Wuk Village, and Brentwood Park. Historic resource management and transport networks remain prominent, including the Old Sugar Pine Railroad and the Old Railroad Grade which once served the local timber industry.

A heavy concentration of lode mining and prospecting activity is documented throughout the canyon slopes, from the Confidence Mine and Red Cloud Mine to the cluster of workings near Johnnie Gulch. Water infrastructure is central to the area's development, evidenced by Lyons Reservoir on the South Fork Stanislaus River and the small Twain Harte Lake, alongside the Twain Harte Valley Golf Course and numerous flumes and ditches winding through the terrain.