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Lahar—River of volcanic mud and debris [研究报告]
10.3133/fs20183024U.S. Geological Survey. 2018-01-01
Major, Jon J. jjmajor@usgs.gov;  Pierson, Thomas C. tpierson@usgs.gov;  Vallance, James W. jvallance@usgs.gov
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The geologic, geomorphic, and hydrologic context underlying options for long-term management of the Spirit Lake outlet near Mount St. Helens, Washington [研究报告]
U.S. Forest Service. 2017-01-01
Grant, Gordon E.;  Major, Jon J. jjmajor@usgs.gov;  Lewis, Sarah L.
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