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1950 Map of Robbs Peak, 1975 Print
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1950 Map of Robbs Peak

USGS Topo · Published 1975

About this map

The Rubicon River and South Fork Rubicon River dominate this high-country survey of the Eldorado National Forest. Originally field-checked in 1950 and updated with 1973 aerial data, the map captures the rugged water-management infrastructure of the Sierra Nevada, including the Hunsucker Ditch and the expansive Union Valley Reservoir at the southern edge. Local landmarks like Uncle Toms Cabin and the Hardless Guard Sta provide important navigational points for those tracing historical routes through the Georgetown Divide. The landscape is a network of ridges and drainages, where Robbs Peak stands as a sentinel over Robbs Valley. Significant water features such as Gerle Creek, Dry Lakes, and Pilot Creek define the complex topography, illustrating the transition of these lands into managed forest and reservoir catchments during the mid-20th century.

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Map Details

Date Portrayed1950
Date Published1975
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1950 Robbs Peak Map

Historical Maps of Placer County Through Time

69 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain