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1948 Map of Columbia SE, 1984 Print
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1948 Map of Columbia SE

USGS Topo · Published 1984

About this map

The rugged Sierra Nevada foothills of Tuolumne County are defined here by a legacy of hydraulic mining and hydroelectric development. High on the ridges of the Stanislaus National Forest, numerous workings like the Indian Girl Mine, Noonday Mine, and Contention Mine trace the gold-bearing veins between Knight Ridge and the South Fork of the Stanislaus River. The landscape is interconnected by an intricate system of water conveyance, including the Tuolumne Main DITCH and Columbia DITCH, which diverted alpine flows for mining and power. Near the southern edge, the Phoenix Powerhouse and Phoenix Reservoir illustrate the early mid-century infrastructure supporting the region's utilities. Small settlements and specialized camps such as American Camp Station, French Camp (Site), and Old Oak Ranch are situated along winding roads and gulches, reflecting a pattern of habitation dictated by the steep terrain and the local timber and mineral economies.

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Map Details

Date Portrayed1948
Date Published1984
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.7 inches

Editions of this 1948 Columbia SE Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain