01977nam 2200469 450 991071157260332120181031130820.0(CKB)5470000002484323(OCoLC)1059650643(EXLCZ)99547000000248432320181031d2018 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierGeologic field-trip guide of volcaniclastic deposits from snow- and ice-capped volcanoes--Mount St. Helens , Washington and Mount Hood, Oregon /by Thomas C. Pierson [and three others] ; prepared in cooperation with the Bureau of ReclamationReston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2018.1 online resource (xi, 97 pages) color illustrations, color mapsScientific investigations report ;2017-5022-FIncludes bibliographical references (pages 91-97).GeologyWashington (State)Saint Helens, MountGuidebooksGeologyOregonHood, MountGuidebooksVolcanic ash, tuff, etcWashington (State)Saint Helens, MountVolcanic ash, tuff, etcOregonHood, MountIgneous rocksWashington (State)Saint Helens, MountIgneous rocksOregonHood, MountGeologyGeologyVolcanic ash, tuff, etc.Volcanic ash, tuff, etc.Igneous rocksIgneous rocksPierson Thomas C.1390447Geological Survey (U.S.),United States.Bureau of Reclamation.GPOGPOBOOK9910711572603321Geologic field-trip guide of volcaniclastic deposits from snow- and ice-capped volcanoes--Mount St. Helens, Washington and Mount Hood, Oregon3497685UNINA