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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：100/28  |  提交时间：2019/11/06
National Park Service socioeconomic monitoring pilot survey: Visitor spending analysis 科技报告
报告编号: 70204070, 页数: 116, 2019
作者:  Cullinane Thomas, Catherine ccullinanethomas@usgs.gov;  Cornachione, Egan;  Koontz, Lynne koontzl@usgs.gov;  Keyes, Christopher R.
Adobe PDF(2036Kb)  |  收藏  |  浏览/下载：57/18  |  提交时间：2019/11/06
Biogeochemical and physical processes controlling mercury methylation and bioaccumulation in Lake Powell, Glen Canyon National Recreation Area, Utah and Arizona, 2014 and 2015 科技报告
报告编号: 70199873, 页数: 98, 2019
作者:  Naftz, David L. dlnaftz@usgs.gov;  Marvin-DiPasquale, Mark mmarvin@usgs.gov;  Krabbenhoft, David P. dpkrabbe@usgs.gov;  Aiken, George;  Boyd, Eric S.;  Conaway, Christopher H. cconaway@usgs.gov;  Ogorek, Jacob M. jmogorek@usgs.gov;  Anderson, Gregory M.
Adobe PDF(9335Kb)  |  收藏  |  浏览/下载：69/14  |  提交时间：2019/11/06
Statistics of petroleum exploration in the world outside the United States and Canada through 2015 科技报告
报告编号: 70200971, 页数: 237, 2019
作者:  Attanasi, Emil D. attanasi@usgs.gov;  Freeman, Philip A.
Adobe PDF(32609Kb)  |  收藏  |  浏览/下载：66/6  |  提交时间：2019/11/06
Drain tiles and groundwater resources: Understanding the relations 科技报告
报告编号: 70204196, 页数: 44, 2018
作者:  Smith, Erik A. easmith@usgs.gov;  Gillette, Timothy;  Blann, Kristen;  Coburn, Mary;  Hoppie, Bryce;  Rhees, Suzanne
Adobe PDF(5625Kb)  |  收藏  |  浏览/下载：36/9  |  提交时间：2019/11/06
Temporal and spatial monitoring of cyanobacterial blooms at Willow Creek Reservoir, North-Central Oregon 科技报告
报告编号: 70197844, 页数: 36, 2018
作者:  Smith, Cassandra D. cassandrasmith@usgs.gov
Adobe PDF(22047Kb)  |  收藏  |  浏览/下载：9/8  |  提交时间：2019/11/06
Flooding in the southern Midwestern United States, April–May 2017 科技报告
报告编号: 70194963, 页数: 46, 2018
作者:  Heimann, David C. dheimann@usgs.gov;  Holmes, Robert R. Jr. bholmes@usgs.gov;  Harris, Thomas E. tharris@usgs.gov
Adobe PDF(8220Kb)  |  收藏  |  浏览/下载：38/17  |  提交时间：2019/11/06
Adaptive harvest management for the Svalbard population of pink-footed geese: 2018 progress summary 科技报告
报告编号: 70198135, , 2018
作者:  Johnson, Fred A. fjohnson@usgs.gov;  Jensen, Gitte Høj;  Clausen, Kevin K.;  Madsen, Jesper
Adobe PDF(2003Kb)  |  收藏  |  浏览/下载：28/13  |  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：41/16  |  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：86/41  |  提交时间：2019/11/06