02452oam 2200637 450 991070779510332120161021143828.0(CKB)5470000002466593(OCoLC)885281671(EXLCZ)99547000000246659320140805d1975 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierUpper Pleistocene pyroclastic-flow deposits and lahars south of Mount St. Helens volcano, Washington /by Jack H. Hyde[Washington, D.C.] :United States Department of the Interior, Geological Survey,1975.Washington :United States Government Printing Office.1 online resource (iv, 20 pages) illustrationsGeological Survey Bulletin ;1383-BGeology of Mount St. Helens Volcano, WashingtonTitle from title screen (viewed August 1, 2014)."A study of a valley-fill asemblage of pyroclastic-flow deposits, lahars, and alluvium of late Pleistocene age south of Mount St. Helens volcano."Includes bibliographical references (page 20).Geology of Mount St. Helens Volcano, WashingtonGeologyWashington (State)Saint Helens, MountGeology, StratigraphicPleistoceneLaharsWashington (State)Saint Helens, MountVolcanic ash, tuff, etcWashington (State)Saint Helens, MountGeologyfastGeology, StratigraphicfastLaharsfastPleistocene Geologic EpochfastVolcanic ash, tuff, etcfastWashington (State)Mount Saint HelensfastGeologyGeology, StratigraphicLaharsVolcanic ash, tuff, etc.Geology.Geology, Stratigraphic.Lahars.Pleistocene Geologic Epoch.Volcanic ash, tuff, etc.Hyde Jack H.1410616Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707795103321Upper Pleistocene pyroclastic-flow deposits and lahars south of Mount St. Helens volcano, Washington3550239UNINA