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1951 Map of Caldor

Name: 1951 Topographic Map of Caldor
Creator: U.S. Geological Survey
Published: 1985
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1985

About this map

The settlement at Caldor and the rugged drainage of the Steely Fork Cosumnes River define this high-country landscape in the Eldorado National Forest. Mapping from the early 1950s, with later aerial revisions, highlights a region driven by timber and mining, evidenced by a dense network of logging roads and numerous mineral claims. Family-named landmarks and old outposts are scattered throughout, including the Louis Jordan Mine, John Schell Mine, and Spread Eagle Mine.

Transitioning between El Dorado and Amador counties, the map reveals the critical infrastructure of fire prevention and mountain travel during the mid-century. Features like the Dew Drop Fire Control Station, Caldor Ranger Sta, and the historic Fort Grizzly Site provide significant anchor points for local historians. High ridges such as Dogtown Ridge and Plummer Ridge dominate the topography, sheltering isolated pockets like Pi-Pi Valley and Barney Meadow.