Roslyn and Grenville serve as the primary hubs in this lake-dominated landscape of Day County. Situated atop the glacial highlands of the Coteau des Prairies, the area is defined by a complex network of glacial depressions and massive water bodies, most notably Waubay Lake, South Waubay Lake, and Minnewasta Lake. This 2017 survey reveals a rural settlement pattern where section-line roads, such as Co Rd 66 and Co Rd 6, negotiate the irregular shorelines and wetland basins. For those tracing local heritage, the map identifies significant land-use markers including the Roslyn Lutheran Cem north of town and Saint Joseph Catholic Cem on the outskirts of Grenville, providing fixed points for genealogical research in this northern prairie environment.
30 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
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 · Eden
USGS Topo · 1:24,000
1970 · Waubay
USGS Topo · 1:24,000
1970 · Piyas Lake
USGS Topo · 1:24,000
1970 · Britton 4 SE
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