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1950 Map of Robbs Peak

Name: 1950 Topographic Map of Robbs Peak
Creator: U.S. Geological Survey
Published: 1958
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1958

About this map

Eldorado National Forest defines the character of this 1950s terrain, where the high Sierra Nevada landscape is marked by remote ranching and early forest management. The presence of Uncle Toms Cabin and isolated homesteads like Grantees Ranch and Lower Bassi Ranch indicates the dispersed settlement patterns typical of this mountainous region. Fire lookout infrastructure is prominent at Robbs Peak Lookout, a critical vantage point overlooking Robbs Valley and the surrounding peaks.

The hydrological network is heavily mapped, showing the Rubicon River and its southern fork winding through deep canyons. Significant water management features like the Georgetown Divide and the Hunsucker Ditch illustrate the complex effort to divert mountain water for downstream use. Recreational sites such as Big Silver Camp Ground and the Hartless Guard Sta reflect the era's growing focus on public land administration and seasonal mountain access.