
The Coteau des Prairies, a massive upland plateau, dominates this landscape at the intersection of the Dakotas and Minnesota. This 1958 survey documents the expansive Sisseton Indian Reservation and a complex network of glacial lakes including Big Stone Lake and Lake Traverse, which form the headwaters of the Minnesota River. The region’s reliance on rail transport is evident through the lines of the Great Northern and the Chicago Milwaukee St Paul and Pacific, which connect agricultural hubs like Milbank, Britton, and Webster. Conservation efforts are highlighted by the presence of the Waubay National Wildlife Refuge and Tewaukon National Wildlife Refuge. The map captures the transition from small prairie settlements like Lily and Ortley to the industrial activity of a Quarry near the Big Stone County line.
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This is the sole edition of this map. No revisions or reprints were ever made.