TY - BOOK AU - Ackerman,D.J. TI - Hydrology of the Mississippi River Valley alluvial aquifer, South-Central United States T2 - Regional aquifer-system analysis--Gulf coastal plain AV - GB1199.3.M7 A25 1993 U1 - 551.49/0977 20 PY - 1993/// CY - Washington, Denver, CO PB - U.S. G.P.O., For sale by the Books and Open-File Reports Section, U.S. Geological Survey, Federal Center KW - Aquifers KW - Mississippi Embayment KW - Local N1 - Includes bibliographical references ER -