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1892 Map of Placerville

Name: 1892 Topographic Map of Placerville
Creator: U.S. Geological Survey
Published: 1892
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1892

About this map

Placerville and the surrounding Sierra Nevada foothills are captured here during a period of intense resource extraction and early transport development. The map details a landscape defined by the deep canyons of the North Fork American River, Middle Fork American River, and South Fork American River. Settlement patterns are inextricably linked to the Gold Rush legacy, with numerous diggings, mines, and houses identified across the terrain.

Heavy industry and logistical hubs are prominent, including the Sacramento and Placerville Railroad and vital river crossings like Lambs Bridge. Remote outposts and industrial sites such as the Mammoth Mine, Spanish Diggings, and Slate Mt Mine illustrate the era's economic geography. For the local historian, the inclusion of specific residences and waypoints like the Mile Hill Toll House and Grizzly Bear House provides a precise spatial record of late 19th-century habitation before more modern development reshaped the El Dorado landscape.