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005 20181206080950.0
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100   $a20161213d1980      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aMount St. Helens volcanic-ash fall in the Bull Run Watershed, Oregon, March-June 1980 /$fby Michael V. Shulters and Daphne G. Clifton
210  1$a[Reston, Va.?] :$cUnited States Department of the Interior, Geological Survey,$d1980.
215   $a1 online resource (v, A15 pages) $cillustrations, maps
225 1 $aGeological Survey circular ;$v850-A
225 1 $aHydrologic effects of the eruptions of Mount St. Helens, Washington, 1980
320   $aIncludes bibliographical references (page A15).
606   $aVolcanic ash, tuff, etc$zOregon
606   $aVolcanic ash, tuff, etc$2fast
607   $aSaint Helens, Mount (Wash.)$xEruption, 1980
607   $aBull Run River Watershed (Or.)
607   $aOregon$2fast
607   $aOregon$zBull Run River Watershed$2fast
607   $aWashington (State)$zMount Saint Helens$2fast
615  0$aVolcanic ash, tuff, etc.
615  7$aVolcanic ash, tuff, etc.
700   $aShulters$b M. V.$f1950-$01415502
702   $aClifton$b Daphne G.
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCO
801  2$bCOP
801  2$bOCLCF
801  2$bOCLCQ
801  2$bOCLCO
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711672403321
996   $aMount St. Helens volcanic-ash fall in the Bull Run Watershed, Oregon, March-June 1980$93517792
997   $aUNINA