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1940 Map of Thunder River
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1940 Map of Thunder River

USGS Topo · Published 1940

About this map

Peshtigo River rapids and secluded logging-era settlements define this 1940 layout of the Wisconsin Northwoods. The map captures a landscape in transition, where the Caldron Falls Reservoir has been established but significant portions remain noted as an Unsurveyed Area. The presence of the Mc Caslin Fire Tower and Thunder Mountain Fire Tower reflects the vital forest fire management infrastructure of the era.

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Map Details

Date Portrayed1940
Date Published1940
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:48,000
Physical Dimensions18 x 27.01 inches

Editions of this 1940 Thunder River Map

Historical Maps of Wabeno Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain