TY - RPRT TI - Geochemistry of the Madison and Minnelusa aquifers in the Black Hills area, South Dakota AU - Cheryl A. Naus AU - Daniel G. Driscoll AU - Janet M. Carter PY - 2001 DO - 10.3133/wri014129 UR - https://pubs.usgs.gov/publication/wri014129 ID - wri014129 ER -