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1983 Map of Poison Lake, 1984 Print
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1983 Map of Poison Lake

USGS Topo · Published 1984

About this map

Lassen State Game Refuge dominates this high-altitude landscape in the early 1980s, centered on the shallow waters of Poison Lake. The area is a mosaic of volcanic features and forestry management, characterized by numerous Cinder Pits and the expansive Blacks Mountain Experimental Forest. Evidence of earlier industrial transport is visible through the Old Railroad Grade winding through the northern sections near Longs Cabin. The map reveals a land utilized for both conservation and resource extraction, with multiple Borrow Pits and water management features like Half Cabin Reservoir and Patterson Well scattered across the terrain. Routes like the Pittville Road and various 4wd tracks provide access to remote landmarks such as Robbers Spring and the open expanses of Patterson Flat.

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Map Details

Date Portrayed1983
Date Published1984
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1983 Poison Lake Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain