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Postglacial eruptive history and geochemistry of Semisopochnoi volcano, western Aleutian Islands, Alaska 科技报告
报告编号: 70194443, 页数: 40, 2018
作者:  Coombs, Michelle L. mcoombs@usgs.gov;  Larsen, Jessica F.;  Neal, Christina A. tneal@usgs.gov
Adobe PDF(14988Kb)  |  收藏  |  浏览/下载:8/6  |  提交时间:2019/11/06
Brown trout in the Lees Ferry reach of the Colorado River—Evaluation of causal hypotheses and potential interventions 科技报告
报告编号: 70196536, 页数: 94, 2018
作者:  Runge, Michael C. mrunge@usgs.gov;  Yackulic, Charles B. cyackulic@usgs.gov;  Bair, Lucas S. lbair@usgs.gov;  Kennedy, Theodore A. tkennedy@usgs.gov;  Valdez, Richard A.;  Ellsworth, Craig;  Kershner, Jeffrey L.;  Rogers, R. Scott;  Trammell, Melissa A.;  Young, Kirk L.
Adobe PDF(2031Kb)  |  收藏  |  浏览/下载:78/19  |  提交时间:2019/11/06
Titanium mineral resources in heavy-mineral sands in the Atlantic coastal plain of the southeastern United States 科技报告
报告编号: 70196106, , 2018
作者:  Van Gosen, Bradley S. bvangose@usgs.gov;  Ellefsen, Karl J. ellefsen@usgs.gov
Adobe PDF(19948Kb)  |  收藏  |  浏览/下载:5/2  |  提交时间:2019/11/06
Compilation of new and previously published geochemical and modal data for Mesoproterozoic igneous rocks of the St. Francois Mountains, southeast Missouri 科技报告
报告编号: 70195863, , 2018
作者:  du Bray, Edward A. edubray@usgs.gov;  Day, Warren C. wday@usgs.gov;  Meighan, Corey J. cmeighan@usgs.gov
Adobe PDF(49625Kb)  |  收藏  |  浏览/下载:63/34  |  提交时间:2019/11/06
Agriculture — A river runs through it — The connections between agriculture and water quality 科技报告
报告编号: 70187973, 页数: 216, 2018
作者:  Capel, Paul D. capel@usgs.gov;  McCarthy, Kathleen A.;  Coupe, Richard H. rhcoupe@usgs.gov;  Grey, Katia M.;  Amenumey, Sheila E.;  Baker, Nancy T. ntbaker@usgs.gov;  Johnson, Richard L.
Adobe PDF(69774Kb)  |  收藏  |  浏览/下载:69/41  |  提交时间:2019/11/06
Monitoring riparian-vegetation composition and cover along the Colorado River downstream of Glen Canyon Dam, Arizona 科技报告
报告编号: 70197435, 页数: 79, 2018
作者:  Palmquist, Emily C. epalmquist@usgs.gov;  Ralston, Barbara E. bralston@usgs.gov;  Sarr, Daniel A. dsarr@usgs.gov;  Johnson, Taylor C.
Adobe PDF(5480Kb)  |  收藏  |  浏览/下载:33/9  |  提交时间:2019/11/06
Baseline water quality of an area undergoing shale-gas development in the Muskingum River watershed, Ohio, 2015–16 科技报告
报告编号: 70198850, , 2018
作者:  Covert, S. Alex.;  Jagucki, Martha L.;  Huitger, Carrie A.
Adobe PDF(14642Kb)  |  收藏  |  浏览/下载:53/21  |  提交时间:2019/11/06
Rare earth element and rare metal inventory of central Asia 科技报告
报告编号: 70194669, 页数: 4, 2018
作者:  Mihalasky, Mark J. mjm@usgs.gov;  Tucker, Robert D. rtucker@usgs.gov;  Renaud, Karine krenaud@usgs.gov;  Verstraeten, Ingrid M. imverstr@usgs.gov
Adobe PDF(7503Kb)  |  收藏  |  浏览/下载:34/13  |  提交时间:2019/11/06
Review of the geochemistry and metallogeny of approximately 1.4 Ga granitoid intrusions of the conterminous United States 科技报告
报告编号: 70191014, 页数: 44, 2018
作者:  du Bray, Edward A. edubray@usgs.gov;  Holm-Denoma, Christopher S. cholm-denoma@usgs.gov;  Lund, Karen klund@usgs.gov;  Premo, Wayne R. wpremo@usgs.gov
Adobe PDF(39432Kb)  |  收藏  |  浏览/下载:67/37  |  提交时间:2019/11/06
Groundwater, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona—2015–2016 科技报告
报告编号: 70201545, , 2018
作者:  Mason, Jon P. jmason@usgs.gov;  Macy, Jamie P. jpmacy@usgs.gov
Adobe PDF(6262Kb)  |  收藏  |  浏览/下载:10/3  |  提交时间:2019/11/06