Aquifer Materials Map 34: First Occurrence of Aquifer Materials in Bon Homme County, South Daktoa <Map> <GIS files>

Aquifer Materials Map 33: First Occurrence of Aquifer Materials in Hyde County, South Daktoa <Map> <GIS files>

Open-File Report 92-UR: Hydrogeologic Assessment of the High Plains Aquifer in Bennett County, South Dakota <Report> <Map Plates> <GIS files>

Geologic Quadrangle Map 15: Geologic Map of the Wind Cave Quadrangle, South Dakota <Map> <GIS files>

Geologic Quadrangle Map 14: Geologic Map of Wind Cave National Park <Map> <GIS files>

1 x 2-degree Series Geologic Quadrangle Map 1: Geologic Map of the Lemmon 1 x 2-degree Quadrangle, South Dakota and North Dakota <Map> <GIS files>

General Map 11: Elevation Contour Map of the Precambrian Surface of South Dakota <Map> <more>

Oil and Gas Investigation 3: South Dakota Stratigraphic Correlation Chart

Bulletin 41: Precambrian Basement Terrane of South Dakota <Map Plate> <GIS files>