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Geologic field-trip guide of volcaniclastic sediments from snow- and ice-capped volcanoes—Mount St. Helens, Washington, and Mount Hood, Oregon 科技报告
报告编号: 70198903, , 2018
作者:  Pierson, Thomas C. tpierson@usgs.gov;  Siebert, Lee;  Harpel, Christopher J. charpel@usgs.gov;  Scott, Kevin M.
Adobe PDF(53954Kb)  |  收藏  |  浏览/下载:92/43  |  提交时间:2019/11/06
Lahar—River of volcanic mud and debris 科技报告
报告编号: 70196909, 页数: 6, 2018
作者:  Major, Jon J. jjmajor@usgs.gov;  Pierson, Thomas C. tpierson@usgs.gov;  Vallance, James W. jvallance@usgs.gov
Adobe PDF(5237Kb)  |  收藏  |  浏览/下载:39/25  |  提交时间:2019/11/06
Landslides in the western Columbia Gorge, Skamania County, Washington 科技报告
报告编号: 70173784, 页数: 25, 2016
作者:  Pierson, Thomas C. tpierson@usgs.gov;  Evarts, Russell C. revarts@usgs.gov;  Bard, Joseph A. jbard@usgs.gov
Adobe PDF(1774Kb)  |  收藏  |  浏览/下载:37/19  |  提交时间:2019/11/06