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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:102/28  |  提交时间:2019/11/06
Indicators of ecosystem structure and function for the Upper Mississippi River System 科技报告
报告编号: 70199036, , 2018
作者:  De Jager, Nathan R. ndejager@usgs.gov;  Rogala, James T. jrogala@usgs.gov;  Rohweder, Jason J. jrohweder@usgs.gov;  Van Appledorn, Molly;  Bouska, Kristen L. kbouska@usgs.gov;  Houser, Jeffrey N. jhouser@usgs.gov;  Jankowski, Kathi Jo
Adobe PDF(46638Kb)  |  收藏  |  浏览/下载:80/40  |  提交时间:2019/11/06
Sediment load and distribution in the lower Skagit River, Skagit County, Washington 科技报告
报告编号: 70174975, , 2016
作者:  Curran, Christopher A. ccurran@usgs.gov;  Grossman, Eric E. egrossman@usgs.gov;  Mastin, Mark C. mcmastin@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov
Adobe PDF(2199Kb)  |  收藏  |  浏览/下载:37/11  |  提交时间:2019/11/06
Geology, hydrology, water quality, and potential for interbasin invasive-species spread by way of the groundwater pathway near Lemont, Illinois 科技报告
报告编号: 70174178, 页数: 106, 2016
作者:  Kay, Robert T. rtkay@usgs.gov;  Mills, P.C. pcmills@usgs.gov;  Jackson, P. Ryan pjackson@usgs.gov
Adobe PDF(13637Kb)  |  收藏  |  浏览/下载:32/11  |  提交时间:2019/11/06