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1970 Map of Okoboji

Name: 1970 Topographic Map of Okoboji
Creator: U.S. Geological Survey
Published: 1972
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1972

About this map

The glacial lakes of Dickinson County define this landscape, where recreation and conservation efforts meet a historical rail-and-road network. The massive reach of West Okoboji Lake dominates the central portion of the map, bordered by burgeoning lakeside communities like Wahpeton, Triboji Beach, and Okoboji. This era shows a high concentration of State Game Management Areas, including those surrounding Hottes Lake, Marble Lake, and Diamond Lake, reflecting a mid-century commitment to preserving the region's unique wetlands and prairie remnants like Cayler Prairie.

Infrastructure to support a growing population is evident, from the Chicago Rock Island and Pacific railroad passing through Montgomery to specialized facilities like the Lake Okoboji Seaplane Base and the Spirit Lake Municipal Airport (Dillon Field). Smaller settlements and points of interest, such as Egralharve and the Home for the Aged, provide specific locations for genealogists tracing family ties to the Iowa Great Lakes region during its post-war development.