TY - BOOK AU - Williamson,Alex K. AU - Grubb,Hayes F. TI - Ground-water flow in the Gulf Coast aquifer systems, south-central United States U1 - 551.49/0976 21 PY - 1998/// CY - Washington PB - U.S. G.P.O. KW - Groundwater flow KW - Gulf Coast (U. S.) KW - Aquifers N1 - Includes bibliographical references ER -