1980 Map of Twain
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1980 Map of Twain

USGS Topo · Published 1980

About this map

Seneca and the remote mining reaches of Plumas National Forest define this 1980 study of the Feather River canyon. The landscape is a complex network of resource extraction and transit, where the Western Pacific railroad tracks parallel the North Fork Feather River and the East Branch North Fork Feather River. Gold mining history is deeply etched into the terrain, evidenced by numerous workings such as the Dutch Hill Mine, Virgilia Mine, and the Swiss Mine.


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Map Details

Date Portrayed1980
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 26.6 inches

Editions of this 1980 Twain Map


Historical Maps of Feather River Hot Springs Through Time


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Source Details

CopyrightPublic Domain