00931cam a2200265 4500 2282478 BD-DhUL 20201103131219.0 721218s1951 nyub b 000 0 eng (OCoLC)ocm00519326 DLC KSU SER UKM OCL UBA ZCU BD-DhUL 551.49 THC Thomas, H. E. (Harold Edgar), 1906- The conservation of ground water : a survey of the present ground-water situation in the United States / H. E. Thomas 1st ed. New York : McGraw-Hill, c1951. xv, 327 p. : maps (part fold.) 24 cm. "Sponsored by the Conservation Foundation." Bibliography: p. 301-321. Groundwater United States. Water-supply United States. Water conservation United States. Aguas Subterraneas larpcal ddc BK 2958 2958 0 0 ddc 0 333_910000000000000_THC 0 NFIC 5610 DUSL DUSL GEN 1957-05-28 Purchase 333.91 THC 68608 2014-08-14 1 2014-08-14 BK 0 0 ddc 0 551_350000000000000_THC 0 NFIC 34009 DUSL DUSL GEN 2014-11-06 551.35 THC 59910 2014-11-06 2014-11-06 BK 0 0 ddc 0 551_490000000000000_THC 0 NFIC 35257 DUSL DUSL GEN 2014-11-11 Gift 551.49 THC A35057 2014-11-11 2014-11-11 BK