TY - RPRT TI - Ground-water quality assessment of the central Oklahoma aquifer, Oklahoma - Analysis of available water-quality data through 1987 AU - David L. Parkhurst AU - Scott C. Christenson AU - Jamie L. Schlottmann PY - 1989 DO - 10.3133/ofr88728 UR - https://pubs.usgs.gov/publication/ofr88728 ID - ofr88728 ER -