00601nam a2200205 a 4500 20260717091718.0 260717s1980 ii 000 0 eng d 9971511738 eng 551.49 todd, David. Keith Groundwater hydrology / todd, David. Keith 2nd ed. New york : John Wiley & Sons, INC. &sons, 1980. xiii, 535 p. ; ill. ; 24 cm. Includes bibliographical references and index. Groundwater Groundwater flow--Mathematical models BK 37632 37632 0 0 0 0 DC BKBCL BKBCL 1999-03-29 220.00 0 551.49 TOD 38617 2026-07-17 09:17:18 220.00 2026-07-17 BK