00683cam a2200217 7i4500 0000002261 20061124090000.0 20000419000000.0 xx 00010 eng 0873719530 GB1197.7 .S46 1999 Selker Vadose zone processes John S. Selker, C. Kent Keller, James T. McCord. Boca Raton, Fla.: Lewis Pub., 1999. 339p.: ill.; 27 cm. Includes bibliographical references Groundwater flow Zone of aeration Keller, C. Kent McCord, James T. 0000011002 Book Open Shelf HQ Library