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Two-dimensional seismic velocities and structural variations at three British Columbia Hydro and Power Authority (BC Hydro) dam sites, Vancouver Island, British Columbia, Canada 科技报告
报告编号: 70202281, 页数: 137, 2019
作者:  Catchings, Rufus D. catching@usgs.gov;  Addo, Kofi O.;  Goldman, Mark R. goldman@usgs.gov;  Chan, Joanne H. jchan@usgs.gov;  Sickler, Robert R. rsickler@usgs.gov;  Criley, Coyn J. ccriley@usgs.gov
Adobe PDF(31461Kb)  |  收藏  |  浏览/下载：37/8  |  提交时间：2019/11/06
Coagulant and sorbent efficacy in removing mercury from surface waters in the Cache Creek watershed, California 科技报告
报告编号: 70201894, , 2019
作者:  De Parsia, Erica R. edeparsia@usgs.gov;  Fleck, Jacob A. jafleck@usgs.gov;  Krabbenhoft, David P. dpkrabbe@usgs.gov;  Hoang, Kim;  Roth, David daroth@usgs.gov;  Randall, Paul
Adobe PDF(2630Kb)  |  收藏  |  浏览/下载：75/25  |  提交时间：2019/11/06
Geologic cross section A–A′ through the Appalachian basin from the southern margin of the Ontario Lowlands province, Genesee County, western New York, to the Valley and Ridge province, Lycoming County, north-central Pennsylvania 科技报告
报告编号: 70201712, , 2019
作者:  Trippi, Michael H.;  Ryder, Robert T.;  Enomoto, Catherine B.
Adobe PDF(1000Kb)  |  收藏  |  浏览/下载：792/770  |  提交时间：2019/11/06
Rare earth element mineral deposits in the United States 科技报告
报告编号: 70202819, 页数: 24, 2019
作者:  Van Gosen, Bradley S. bvangose@usgs.gov;  Verplanck, Philip L.;  Emsbo, Poul
Adobe PDF(28810Kb)  |  收藏  |  浏览/下载：12/3  |  提交时间：2019/11/06
Petrographic, geochemical, and geochronologic data for cenozoic volcanic rocks of the Tonopah, Divide, and Goldfield Mining Districts, Nevada 科技报告
报告编号: 70200391, 页数: 25, 2019
作者:  du Bray, Edward A. edubray@usgs.gov;  John, David A. djohn@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  Colgan, Joseph P. jcolgan@usgs.gov;  Cosca, Michael A. mcosca@usgs.gov;  Morgan, Leah E. lemorgan@usgs.gov;  Fleck, Robert J. fleck@usgs.gov;  Premo, Wayne R. wpremo@usgs.gov;  Holm-Denoma, Christopher S. cholm-denoma@usgs.gov
Adobe PDF(9017Kb)  |  收藏  |  浏览/下载：75/24  |  提交时间：2019/11/06
Stratigraphic cross sections of the Niobrara Interval of the Upper Cretaceous Cody Shale in the Bighorn Basin, Wyoming and Montana 科技报告
报告编号: 70201079, , 2019
作者:  Finn, Thomas M. finn@usgs.gov
Adobe PDF(3801Kb)  |  收藏  |  浏览/下载：9/6  |  提交时间：2019/11/06
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
It is raining plastic 科技报告
报告编号: 70203229, , 2019
作者:  Wetherbee, Gregory A.;  Baldwin, Austin K. akbaldwi@usgs.gov;  Ranville, James F.
Adobe PDF(70125Kb)  |  收藏  |  浏览/下载：57/38  |  提交时间：2019/11/06
Estimation of base flow on ungaged, periodically measured streams in small watersheds in western Pennsylvania 科技报告
报告编号: 70200942, , 2019
作者:  Hittle, Elizabeth ehittle@usgs.gov;  Risser, Dennis W. dwrisser@usgs.gov
Adobe PDF(26304Kb)  |  收藏  |  浏览/下载：4/2  |  提交时间：2019/11/06
Arizona hedgehog cactus (Echinocereus triglochidiatus var. arizonicus)—A systematic data assessment in support of recovery 科技报告
报告编号: 70201990, 页数: 48, 2019
作者:  Thomas, Kathryn A. kathryn_a_thomas@usgs.gov;  Shryock, Daniel F. dshryock@usgs.gov;  Esque, Todd C. tesque@usgs.gov
Adobe PDF(3058Kb)  |  收藏  |  浏览/下载：80/19  |  提交时间：2019/11/06