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1955 Map of Blue Canyon, 1980 Print
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1955 Map of Blue Canyon

USGS Topo · Published 1980

About this map

Gold mining history and the evolution of Sierra Nevada infrastructure meet at Emigrant Gap, a critical mountain passage where the Southern Pacific railroad and the Pacific Highway snake through the Tahoe National Forest. The landscape is a complex network of mid-century water management, featuring the Drum Canal, Canal systems, and massive engineering works like the Lake Spaulding reservoir and the Rim Powerhouse.

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Map Details

Date Portrayed1955
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 27.8 inches

Editions of this 1955 Blue Canyon Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain