Introduction (pdf)
Download Geologic Maps
Structure Contour
Depth-to-Aquifer
Aquifer Susceptibility
Aquifer Vulnerability
Information about on-site waste water systems
Water Quality Methods
Pennington County
Ground-Water Quality
Final Report of Water Quality
Custer County (in progress)
Discussion: Crystalline Aquifers
Central Black Hills
Discussion: Sedimentary Aquifers
Hayward Quadrangle
Hermosa Quadrangle
Rockerville Quadrangle
Download Aquifer Maps by Quadrangles