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100   $a20161213d1981      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aMudflows resulting from the May 18, 1980, eruption of Mount St. Helens, Washington /$fby John Cummans
210  1$a[Reston, Va.] :$cUnited States Department of the Interior, Geological Survey,$d1981.
215   $a1 online resource (v, B16 pages) $cillustrations, maps
225 1 $aGeological Survey circular ;$v850-B
225 1 $aHydrologic effects of the eruptions of Mount St. Helens, Washington, 1980
320   $aIncludes bibliographical references (page B16).
606   $aLahars$zWashington (State)
606   $aMudflows$zWashington (State)
606   $aHydrology$zWashington (State)
606   $aHydrology$2fast
606   $aLahars$2fast
607   $aSaint Helens, Mount (Wash.)$xEruption, 1980
607   $aWashington (State)$2fast
607   $aWashington (State)$zMount Saint Helens$2fast
615  0$aLahars
615  0$aMudflows
615  0$aHydrology
615  7$aHydrology.
615  7$aLahars.
700   $aCummans$b John$01393032
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
801  1$bOCLCE
801  2$bCOP
801  2$bOCLCF
801  2$bOCLCQ
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711701303321
996   $aMudflows resulting from the May 18, 1980, eruption of Mount St. Helens, Washington$93485670
997   $aUNINA