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035   $a(OCoLC)995470000002482351
035   $a(EXLCZ)995470000002482351
100   $a20160708e19671960  ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aEcological systems and the water resource /$fby Luna B. Leopold
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1960.
210  3$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1967.
215   $a1 online resource (pages 21-26)
225 1 $aGeological Survey Circular ;$v414-D
300   $aPart D of: Conservation and water management.
300   $a"Presented before the Sixth Biennial Wilderness Conference, sponsored by California Academy of Science, San Francisco, Calif, March 20-21, 1959."
606   $aWater resources development
606   $aConservation of natural resources
606   $aWater resources development$2fast
615  0$aWater resources development.
615  0$aConservation of natural resources.
615  7$aWater resources development.
700   $aLeopold$b Luna B$g(Luna Bergere),$f1915-2006,$01392408
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711367903321
996   $aEcological systems and the water resource$93515488
997   $aUNINA