01042cam a2200289 a 4500 329260 329260 1056163 Nust 20170502115240.0 910108s1991 miua b 001 0 eng 90090765 0873712838 DLC DLC DLC TD403 .W35 1991 462.18643 WAL 20 Walton, William Clarence. Principles of groundwater engineering / William C. Walton. Chelsea, Mich. : Lewis Publishers, c1991. xx, 546 p. : ill. ; 24 cm. H.B Includes bibliographical references (p. [377]-407) and index. Groundwater Management. Groundwater flow. Groundwater. Publisher description http://www.loc.gov/catdir/enhancements/fy0744/90090765-d.html 7 cbc orignew 2 opcn 19 y-gencatlg ddc BK 462.18643 WAL 0 0 ddc 0 0 NFIC IESE IESE GEN 2017-05-02 0 462.18643 WAL IESE-49 2017-05-02 2017-05-02 BK