Coteau des Prairies defines the rolling topography of this Day County landscape, where the high prairie is pockmarked with glacial basins and wetlands. Significant water bodies dominate the terrain, including Antelope Lake in the southwest and the southern reaches of S Waubay Lake at the northern edge. The area is largely defined by its rural section lines, with a grid of local roads like 436th Ave and 143rd St providing access to the interior. Genealogical points of interest are preserved through small burial sites, specifically Salem Cem and Old Saint Otto's Cem, which anchor the local history of the surrounding farmsteads. The southern portion of the map transitions into the marshy expanse of Solomon Slough, illustrating the diverse hydrography of the South Dakota glacial till plains.
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This is the sole edition of this map. No revisions or reprints were ever made.
1953 · Milbank
USGS Topo · 1:250,000
1958 · Milbank
USGS Topo · 1:250,000
1970 · Waubay
USGS Topo · 1:24,000
1970 · Florence NE
USGS Topo · 1:24,000
1970 · Waubay SW
USGS Topo · 1:24,000
1970 · Roslyn
USGS Topo · 1:24,000
1970 · Enemy Swim Lake West
USGS Topo · 1:24,000
1973 · Webster
USGS Topo · 1:24,000
1973 · Swan Lake
USGS Topo · 1:24,000
1973 · Webster NE
USGS Topo · 1:24,000