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研究报告 [3]
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GIS database and discussion for the distribution, composition, and age of Cenozoic volcanic rocks of the Pacific Northwest Volcanic Aquifer System study area [研究报告]
10.3133/ofr20181030U.S. Geological Survey. 2018-01-01
Sherrod, David R. dsherrod@usgs.gov;  Keith, Mackenzie K. mkeith@usgs.gov
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Field-trip guide to Mount St. Helens, Washington - An overview of the eruptive history and petrology, tephra deposits, 1980 pyroclastic density current deposits, and the crater [研究报告]
10.3133/sir20175022DU.S. Geological Survey. 2017-01-01
Pallister, John S. jpallist@usgs.gov;  Clynne, Michael A. mclynne@usgs.gov;  Wright, Heather M. hwright@usgs.gov;  Van Eaton, Alexa R. avaneaton@usgs.gov;  Vallance, James W. jvallance@usgs.gov;  Sherrod, David R. dsherrod@usgs.gov;  Kokelaar, B. Peter
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Debris flow from 2012 failure of moraine-dammed lake, Three Fingered Jack volcano, Mount Jefferson Wilderness, Oregon [研究报告]
10.3133/sir20145208U.S. Geological Survey. 2014-01-01
Sherrod, David R. dsherrod@usgs.gov;  Wills, Barton B.
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