TY - RPRT TI - Potentiometric surface and water quality in the Principal Aquifer, Mississippian Plateaus region, Kentucky AU - R. O. Plebuch AU - R.J. Faust AU - M.A. Townsend PY - 1985 DO - 10.3133/wri844102 UR - https://pubs.usgs.gov/publication/wri844102 ID - wri844102 ER -