TY - RPRT TI - Potentiometric surface, ground-water withdrawals, and recharge area for the Providence-Ripley aquifer in Alabama, fall 1982 AU - John S. Williams AU - Michael Planert AU - Sydney S. DeJarnette PY - 1986 DO - 10.3133/wri864118 UR - https://pubs.usgs.gov/publication/wri864118 ID - wri864118 ER -