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Most Recent Publications

Geologic Quadrangle Map 22: Geologic Map of the Tilford Quadrangle, South Dakota <Map> <GIS files>

Oil and Gas Investigation 5: Assessment of South Dakota's Sand and Alumina Resources for Use as a Proppant

Geologic Quadrangle Map 21: Geologic Map of the Spearfish Quadrangle, South Dakota <Map> <GIS files>

Geologic Quadrangle Map 20: Geologic Map of the Savoy Quadrangle, South Dakota <Map> <GIS files>

Geologic Quadrangle Map 19: Geologic Map of the Lead Quadrangle, South Dakota (revised) <Map> <GIS files>

Geologic Quadrangle Map 18: Geologic Map of the Deadwood South Quadrangle, South Dakota (revised) <Map> <GIS files>

Geologic Quadrangle Map 17: Geologic Map of the Hermosa Quadrangle, South Dakota <Map> <GIS files>

Aquifer Materials Map 35: First Occurrence of Aquifer Materials in Hand County, South Daktoa <Map> <GIS files>

Oil and Gas Investigation 4: Report on Remnant Materials at a Former Sand and Gravel Mining Operation Near Veblen, South Dakota

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>