1955 Map of Almanor, 1960 Print
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1955 Map of Almanor

USGS Topo · Published 1960

About this map

Lake Almanor and the Butt Valley Reservoir dominate this mid-century landscape where industrial engineering meets the timberlands of the Lassen National Forest and Plumas National Forest. The map documents a complex water management and power generation system, marked by the Intake Tower, Surge Chamber, and Powerhouse near Caribou. While the reservoirs reshaped the geography, older layers of human activity remain visible, from the Western Pacific RR corridor through Virgilia and Twain to a scattering of gold and mineral extraction sites.


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Map Details

Date Portrayed1955
Date Published1960
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.6 x 20.8 inches

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Source Details

CopyrightPublic Domain