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1949 Map of Georgetown

Name: 1949 Topographic Map of Georgetown
Creator: U.S. Geological Survey
Published: 1966
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1966

About this map

Coloma and the banks of the South Fork American River anchor this late 1940s landscape, centered on the historic birthplace of the California Gold Rush. The map highlights the Gold Discovery Site State Historical Monument and the James W. Marshall Monument, marking where the discovery changed the American West. Beyond the riverside, the Georgetown Divide is dense with evidence of extensive mining operations, from the Spanish Dry Diggings to the Georgia Slide (Site).

A network of river bars and mountain settlements like Georgetown and Greenwood reveals the region's mid-century topography before modern development. Notable local landmarks for researchers include the Uniontown Cem, the Kelsey Sch, and several remote outposts like Spanish Flat and Todd Valley. The terrain is deeply incised by the forks of the American River, showcasing the complex hydraulic history and early infrastructure such as the Applegate Tunnel and the American River Power House.