TY - RPRT TI - Hydrogeologic characterization of the Minnelusa and Madison aquifers near Spearfish, South Dakota AU - E.A. Greene AU - A.M. Shapiro AU - Janet M. Carter PY - 1999 DO - 10.3133/wri984156 UR - https://pubs.usgs.gov/publication/wri984156 ID - wri984156 ER -