Todd, David Keith, 1923- Groundwater hydrology / David Keith Todd. - 2d ed. - New York : Wiley, c1980. - xiii, 535 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 047187616X Subjects--Topical Terms: Water, Underground. LC Class. No.: GB1003.2 / .T6 1980 Dewey Class. No.: 551.49