Lake Oahe dominates this Missouri River landscape, following its transition into a massive reservoir system that reshaped the geography of central South Dakota. The sprawling waters of the lake fill the deep river valley, creating complex shorelines such as the protected Swift Bird Bay and the prominent Dolphus Peninsula. This 2017 survey reflects the modern hydrologic state of the region along the boundary of Dewey and Potter counties. Historically significant transit routes remain visible in the road network, including the path of Old US Hwy 212, which traces a path toward the water's edge. The surrounding terrain is defined by the high tablelands and the intricate drainage patterns of the Missouri breaks, largely managed today as part of the public land system.
12 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1953 · McIntosh
USGS Topo · 1:250,000
1954 · Pierre
USGS Topo · 1:250,000
1958 · Pierre
USGS Topo · 1:250,000
1958 · McIntosh
USGS Topo · 1:250,000
1969 · Artichoke Butte NW
USGS Topo · 1:24,000
1969 · Patch Skin Buttes SW
USGS Topo · 1:24,000
1969 · Four Bear Creek
USGS Topo · 1:24,000
1969 · Patch Skin Buttes SE
USGS Topo · 1:24,000
1970 · Steamboat Creek
USGS Topo · 1:24,000
1970 · Patch Skin Buttes
USGS Topo · 1:24,000