
Cheyenne River Indian Reservation dominates the northern landscape of this Central South Dakota region, where the Missouri River transition is documented during the construction of the Oahe Dam. The map captures the Missouri's course before the full extent of the Oahe Reservoir reshaped the valley, showing landmarks like Fort Sully Game Refuge and Hipple Lake near the state capital of Pierre. To the west, the Cheyenne River and Bad River carve through the prairie, supporting small cattle-country settlements like Philip, Milesville, and Sansarc. Rail transit is anchored by the Chicago and North Western line, featuring rural stops such as Eakin Siding and Teton Siding. The high plains topography is defined by distinctive buttes including Artichoke Butte and Medicine Knoll, which served as essential navigational markers in the open landscape of Sully County and Hughes County.
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This is the sole edition of this map. No revisions or reprints were ever made.
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