1979 Map of Thor
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1979 Map of Thor

USGS Topo · Published 1979

About this map

The settlement of Thor serves as the central hub of this agricultural landscape in the late 1970s, situated along the Chicago and North Western railroad line. The map reveals a highly engineered water management system essential for local farming, featuring an extensive network of drainage channels such as Ditch No 46, Ditch No 3, and Ditch No 9. These man-made features work in tandem with natural waterways like Beaver Creek and Soldier Creek to drain the fertile plains.


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Map Details

Date Portrayed1979
Date Published1979
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1979 Thor Map


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Source Details

CopyrightPublic Domain