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035   $a(OCoLC)995470000002483929
035   $a(EXLCZ)995470000002483929
100   $a20160708d1971      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe national hydrologic bench-mark network /$fby Ernest D. Cobb and J.E. Biesecker
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1971.
215   $a1 online resource (iv, 38 pages) $cillustration, map
225 1 $aGeological Survey circular ;$v460-D
225 1 $aConservation networks
320   $aIncludes bibliographical references (page 38).
606   $aHydrology$zUnited States$xInformation services
606   $aWatersheds$zUnited States
606   $aHydrology$xInformation services$2fast
606   $aWatersheds$2fast
607   $aUnited States$2fast
615  0$aHydrology$xInformation services.
615  0$aWatersheds
615  7$aHydrology$xInformation services.
615  7$aWatersheds.
700   $aCobb$b Ernest D.$01415048
702   $aBiesecker$b James E.$f1941-
712 02$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   $a9910711411603321
996   $aThe national hydrologic bench-mark network$93515968
997   $aUNINA