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1983 Map of Corders Reservoir, 1987 Print
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1983 Map of Corders Reservoir

USGS Topo · Published 1987

About this map

Blacks Mountain Experimental Forest and the surrounding Lassen National Forest dominate this landscape in northeastern California as it appeared in the early 1980s. The map documents a rugged terrain shaped by forestry research and seasonal water management, featuring numerous catchments like Corders Reservoir and Railroad Reservoir. Evidence of historic human presence is found at the Eldridge Homestead (Site) and along the Lassen Trail, a primary emigrant route. The mapping of the Old Railroad Grade and numerous Borrow Pits highlights the area's industrial footprint and timber-hauling history. High points such as Blacks Mountain are complemented by detailed markers for mountain infrastructure, including a Lookout Tower and Blacks Cabin Flat, while a network of named springs like Gibbs Spring and Blacks Ridge Spring indicate the critical importance of water sources in this high-elevation forest and game refuge environment.

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Map Details

Date Portrayed1983
Date Published1987
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1983 Corders Reservoir Map

Historical Maps of Lassen County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain