1901 Map of Big Trees, 1931 Print
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1901 Map of Big Trees

USGS Topo · Published 1931

About this map

Calaveras Grove and the Calaveras Big Trees (South Grove) anchor this 1890s survey of the central Sierra Nevada, documenting a landscape defined by deep river canyons and early pioneer routes. The terrain is bifurcated by the massive drainages of the North Fork Mokelumne River and the Middle Fork Stanislaus River, where transit relied on historic river crossings like Parrott Ferry, Abbott Ferry, and Bakers Crossing. Small settlements and industrial outposts, including Sheep Ranch and the Riverside Mine, appear alongside remote family-named locations such as Swiss Ranch and Walker. The map also captures the early infrastructure of the gold and timber era at Italian Bar and American Camp, while the Bloods Toll station suggests the economic reality of mountain travel before the development of modern highway systems.


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Map Details

Date Portrayed1901
Date Published1931
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:125,000
Physical Dimensions16.5 x 19.8 inches

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Source Details

CopyrightPublic Domain