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1986 Map of Sioux City North
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1986 Map of Sioux City North

USGS Topo · Published 1986

About this map

The Missouri River and Big Sioux River define the tri-state geography of this mid-1980s landscape, where the borders of Iowa, South Dakota, and Nebraska converge. Centered on the fertile plains north of Sioux City, the map reveals a dense network of farming townships like Pleasant Valley and Elkhorn connected by the rails of the Burlington Northern and Chicago and North Western. Key regional hubs such as Le Mars, Hawarden, and Vermillion—home to the University of South Dakota—stand out against the gridded rural sections. Notable topographic and recreational landmarks including Spirit Mound, Stone State Park, and Ponca State Park provide contrast to the industrial presence of numerous Gravel Pits and quarries scattered throughout the valley, reflecting the local geology and extraction economy of the period.

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Map Details

Date Portrayed1986
Date Published1986
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:100,000
Physical Dimensions39 x 24.1 inches

Editions of this 1986 Sioux City North Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain