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035   $a(OCoLC)236168852
035   $a(EXLCZ)995470000002382583
100   $a20080728g19992000  ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aEnvironmental characteristics and water quality of hydrologic benchmark stations in the United States, 1963-95$b[electronic resource]
210   $aReston, Va. $cU.S. Dept. of the Interior, U.S. Geological Survey$d1999-2000
215   $a4 volumes $cHTML, digital, PDF files
225 1 $aU.S. Geological Survey circular ;$v1173
327   $aIntroduction to circular -- Analytical methods -- Circular 1173-A. HBN in the eastern U.S. -- Circular 1173-B. HBN in the midwestern U.S. -- Circular 1173-C. HBN in the west-central U.S. -- Circular 1173-D. HBN in the western U.S.
606   $aHydrology$zUnited States$vObservations
606   $aHydrology$zUnited States$xHistory
606   $aWater quality$zUnited States$vObservations
606   $aWater quality$zUnited States$xHistory
606   $aStream-gaging stations$zUnited States
606   $aStream measurements$zUnited States
615  0$aHydrology
615  0$aHydrology$xHistory.
615  0$aWater quality
615  0$aWater quality$xHistory.
615  0$aStream-gaging stations
615  0$aStream measurements
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910696830103321
996   $aEnvironmental characteristics and water quality of hydrologic benchmark stations in the United States, 1963-95$93202000
997   $aUNINA