Todd, David Keith, Groundwater hydrology / David Keith Todd, Larry W. Mays. - 3rd ed. - Hoboken, NJ : Wiley, c2005. - xvii, 636 p. : ill., maps ; ISBN: 0471059374 (alk. paper) Subjects--Topical Terms: Groundwater. LC Class. No.: GB1003.2 / .T6 2005 Dewey Class. No.: