
The settlement of St Charles serves as the focal point for this mid-1960s survey of Gregory County, South Dakota. Situated along the Chicago and North Western rail line, the community is surrounded by the organized townships of St Charles, Ellston, and Pleasant Valley. The landscape is defined by the sharp transition from the level rail corridor to the deeply incised drainage basins of the Missouri River system. The southern portion of the map follows the winding course of Ponca Creek, while the northern section is carved by Rock Creek and Burnt Creek. Hydrological features like Haisch Lake and Bonesteel Lake punctuate the northern plains. The presence of a Gaging Station on Ponca Creek reflects the mid-century focus on water management in the Missouri River Basin, capturing the area's rural character before modern land-use changes significantly altered these Missouri River tributaries.
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This is the sole edition of this map. No revisions or reprints were ever made.
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