1950 Map of Robbs Peak, 1987 Print
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1950 Map of Robbs Peak

USGS Topo · Published 1987

About this map

The high Sierra country of the Eldorado National Forest defines this terrain, where the South Fork Rubicon River and Rubicon River carve deep through the granite landscape. This 1950 survey, photorevised in 1973, captures a period of transition for the region’s water management and recreation. The appearance of the Union Valley Reservoir in the southern portion of the sheet reflects the mid-century expansion of hydroelectric and storage infrastructure, while the Georgetown Divide Ditch traces a legacy of earlier hydraulic engineering winding across the mountainside.


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Map Details

Date Portrayed1950
Date Published1987
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1950 Robbs Peak Map


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Source Details

CopyrightPublic Domain