00830nam a2200205Ia 450000100070000000500170000700800410002404300120006505000260007708200220010308600190012510000310014426001300017524501320030550000220043750400530045965000500051265000350056270000270059733035220160527193006.0150223                                    an-usu--00aGB1197.7 |b .W57 2001002551.49/0976 |2 210 aI 19.16:1416-F1 aWilliamson, Alex K.2Local  aWashington, DC : |b U.S. G.P.O. ; |a Denver, CO : |b For sale by the U.S. Geological Survey, Information Services, |c [2001].10aGround-water flow in the Gulf Coast aquifer systems, south-central United States / |c by Alex K. Williamson and Hayes F. Grubb.  aShipping list no.  aIncludes bibliographical references (p. 103-109) 0aGroundwater flow |z Gulf Coast (U. S.)2Local 0aGovernment publications2Local00aGrubb, Hayes F.2Local