TY - RPRT TI - Water Resources Data, South Dakota, Water Year 1991 AU - M.J. Burr AU - R.D. Benson AU - S. K. Sando PY - 1992 DO - 10.3133/wdrsd911 UR - https://pubs.usgs.gov/publication/wdrSD911 ID - wdrSD911 ER -