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2018 update to the U.S. Geological Survey national volcanic threat assessment 科技报告
报告编号: 70200174, 页数: 50, 2018
作者:  Ewert, John W.;  Diefenbach, Angela K.;  Ramsey, David W. dramsey@usgs.gov
Adobe PDF(24858Kb)  |  收藏  |  浏览/下载:8/3  |  提交时间:2019/11/06
Geologic map of the Pagosa Springs 7.5' quadrangle, Archuleta County, Colorado 科技报告
报告编号: 70200649, , 2018
作者:  Moore, David W.;  Lidke, David J. dlidke@usgs.gov
Adobe PDF(7217Kb)  |  收藏  |  浏览/下载:15/5  |  提交时间:2019/11/06
Geologic map of the Fort Collins 30'×60' quadrangle, Larimer and Jackson Counties, Colorado, and Albany and Laramie Counties, Wyoming 科技报告
报告编号: 70196840, , 2018
作者:  Workman, Jeremiah B. jworkman@usgs.gov;  Cole, James C. jimcole@usgs.gov;  Shroba, Ralph R. rshroba@usgs.gov;  Kellogg, Karl S. kkellogg@usgs.gov;  Premo, Wayne R. wpremo@usgs.gov
Adobe PDF(20163Kb)  |  收藏  |  浏览/下载:45/12  |  提交时间:2019/11/06
Tritium deposition in precipitation in the United States, 1953–2012 科技报告
报告编号: 70197902, 页数: 19, 2018
作者:  Michel, Robert L. rlmichel@usgs.gov;  Jurgens, Bryant C. bjurgens@usgs.gov;  Young, Megan B. mbyoung@usgs.gov
Adobe PDF(1054Kb)  |  收藏  |  浏览/下载:27/11  |  提交时间:2019/11/06
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:94/43  |  提交时间:2019/11/06
Preliminary synthesis and assessment of environmental flows in the middle Verde River watershed, Arizona 科技报告
报告编号: 70190581, 页数: 120, 2018
作者:  Paretti, Nicholas V. nparetti@usgs.gov;  Brasher, Anne M. D. abrasher@usgs.gov;  Pearlstein, Susanna L.;  Skow, Dena M.;  Gungle, Bruce W. bgungle@usgs.gov;  Garner, Bradley D. bdgarner@usgs.gov
Adobe PDF(16322Kb)  |  收藏  |  浏览/下载:48/7  |  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:41/25  |  提交时间:2019/11/06