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When volcanoes fall down—Catastrophic collapse and debris avalanches [研究报告]
10.3133/fs20193023U.S. Geological Survey. 2019-01-01
Siebert, Lee;  Reid, Mark E. mreid@usgs.gov;  Vallance, James W. jvallance@usgs.gov;  Pierson, Thomas C. tpierson@usgs.gov
View/Download：12/0
 
Geologic field-trip guide of volcaniclastic sediments from snow- and ice-capped volcanoes—Mount St. Helens, Washington, and Mount Hood, Oregon [研究报告]
10.3133/sir20175022FU.S. Geological Survey. 2018-01-01
Pierson, Thomas C. tpierson@usgs.gov;  Siebert, Lee;  Harpel, Christopher J. charpel@usgs.gov;  Scott, Kevin M.
View/Download：10/0
 

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