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Assessment of undiscovered copper resources of the world, 2015 科技报告
报告编号: 70201026, 页数: 644, 2019
作者:  Hammarstrom, Jane M. jhammars@usgs.gov;  Zientek, Michael L.;  Parks, Heather L. hparks@usgs.gov;  Dicken, Connie L. cdicken@usgs.gov;  U.S. Geological Survey Global Copper Mineral Resource Assessment Team
Adobe PDF(324154Kb)  |  收藏  |  浏览/下载:104/30  |  提交时间:2019/11/06
Assessment of Columbia and Willamette River flood stage on the Columbia Corridor Levee System at Portland, Oregon, in a future climate 科技报告
报告编号: 70201030, 页数: 56, 2019
作者:  Wherry, Susan A. swherry@usgs.gov;  Wood, Tamara M. tmwood@usgs.gov;  Moritz, Hans R.;  Duffy, Keith B.
Adobe PDF(5114Kb)  |  收藏  |  浏览/下载:69/27  |  提交时间:2019/11/06
Soil mineralogy and geochemistry along a north-south transect in Alaska and the relation to source-rock terrane 科技报告
报告编号: 70204649, 页数: 27, 2019
作者:  Wang, Bronwen;  Hults, Chad P. chults@usgs.gov;  Eberl, Dennis D.;  Woodruff, Laurel G. woodruff@usgs.gov;  Cannon, William F. wcannon@usgs.gov;  Gough, Larry P. lgough@usgs.gov
Adobe PDF(6985Kb)  |  收藏  |  浏览/下载:67/37  |  提交时间:2019/11/06
Reported investments in earthquake mitigation top $73 to $80 billion in the San Francisco Bay Area, California, since the 1989 Loma Prieta earthquake 科技报告
报告编号: 70200446, , 2018
作者:  Brocher, Thomas M. brocher@usgs.gov;  Gefeke, Kerri kgefeke@usgs.gov;  Boatwright, John boat@usgs.gov;  Knudsen, Keith L. kknudsen@usgs.gov
Adobe PDF(1696Kb)  |  收藏  |  浏览/下载:154/23  |  提交时间:2019/11/06
Fish behavior and abundance monitoring near a floating surface collector in North Fork Reservoir, Clackamas River, Oregon, using multi-beam acoustic imaging sonar 科技报告
报告编号: 70200961, , 2018
作者:  Smith, Collin D. cdsmith@usgs.gov;  Plumb, John M. jplumb@usgs.gov;  Adams, Noah S. nadams@usgs.gov
Adobe PDF(4834Kb)  |  收藏  |  浏览/下载:39/23  |  提交时间:2019/11/06
Passage survival of juvenile steelhead, coho salmon, and Chinook salmon in Lake Scanewa and at Cowlitz Falls Dam, Cowlitz River, Washington, 2010–16 科技报告
报告编号: 70196228, 页数: 56, 2018
作者:  Liedtke, Theresa L. tliedtke@usgs.gov;  Kock, Tobias J. tkock@usgs.gov;  Hurst, William whurst@usgs.gov
Adobe PDF(1419Kb)  |  收藏  |  浏览/下载:54/12  |  提交时间:2019/11/06
Natural and man-made hexavalent chromium, Cr(VI), in groundwater near a mapped plume, Hinkley, California—study progress as of May 2017, and a summative-scale approach to estimate background Cr(VI) concentrations 科技报告
报告编号: 70196152, 页数: 38, 2018
作者:  Izbicki, John A. jaizbick@usgs.gov;  Groover, Krishangi D. kgroover@usgs.gov
Adobe PDF(1372Kb)  |  收藏  |  浏览/下载:50/25  |  提交时间:2019/11/06
Quartz-pebble-conglomerate gold deposits: Chapter P in Mineral deposit models for resource assessment 科技报告
报告编号: 70196218, 页数: 44, 2018
作者:  Taylor, Ryan D. rtaylor@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov
Adobe PDF(6658Kb)  |  收藏  |  浏览/下载:48/17  |  提交时间:2019/11/06
Development of new information to inform fish passage decisions at the Yale and Merwin hydro projects on the Lewis River, Washington—Final report, 2018 科技报告
报告编号: 70201266, , 2018
作者:  Al-Chokhachy, Robert K. ral-chokhachy@usgs.gov;  Clark, Christopher L.;  Sorel, Mark H.;  Beauchamp, David A. fadave@usgs.gov
Adobe PDF(13194Kb)  |  收藏  |  浏览/下载:52/13  |  提交时间:2019/11/06
Platinum-group elements 科技报告
报告编号: 70159183, 页数: 106, 2017
作者:  Zientek, Michael L. mzientek@usgs.gov;  Loferski, Patricia J. ploferski@usgs.gov;  Parks, Heather L. hparks@usgs.gov;  Schulte, Ruth F. rschulte@usgs.gov;  Seal, Robert R. II rseal@usgs.gov
Adobe PDF(34317Kb)  |  收藏  |  浏览/下载:89/41  |  提交时间:2019/11/06