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Southern sea otter (Enhydra lutris nereis) population biology at Big Sur and Monterey, California --Investigating the consequences of resource abundance and anthropogenic stressors for sea otter recovery 科技报告
报告编号: 70202708, 页数: 244, 2019
作者:  Tinker, M. Tim;  Tomoleoni, Joseph A. jtomoleoni@usgs.gov;  Weitzman, Benjamin P.;  Staedler, Michelle;  Jessup, Dave;  Murray, Michael J.;  Miller, Melissa;  Burgess, Tristan;  Bowen, Lizabeth lbowen@usgs.gov;  Miles, A. Keith keith_miles@usgs.gov;  Thometz, Nicole;  Tarjan, Lily;  Golson, Emily;  Batac, Francesca;  Dodd, Erin;  Berberich, Eva;  Kunz, Jessica;  Bentall, Gena;  Fujii, Jessica;  Nicholson, Teri;  Newsome, Seth;  Melli, Ann;  LaRoche, Nicole;  MacCormick, Holly;  Johnson, Andy;  Henkel, Laird;  Kreuder-Johnson, Chris;  Conrad, Pat
Adobe PDF(15940Kb)  |  收藏  |  浏览/下载:102/20  |  提交时间:2019/11/06
Geology and paleontology of the late Miocene Wilson Grove Formation at Bloomfield Quarry, Sonoma County, California 科技报告
报告编号: 70202776, 页数: 88, 2019
作者:  Powell, Charles L.;  Boessenecker, Robert W.;  Smith, N. Adam;  Fleck, Robert J.;  Carlson, Sandra J.;  Allen, James R.;  Long, Douglas J.;  Sarna-Wojcicki, Andrei M.;  Guruswami-Naidu, Raj B.
Adobe PDF(43678Kb)  |  收藏  |  浏览/下载:111/50  |  提交时间:2019/11/06
Effectiveness of fish screens in protecting lamprey (Entosphenus and Lampetra spp.) ammocoetes—Pilot testing of variable screen angle 科技报告
报告编号: 70203152, 页数: 30, 2019
作者:  Liedtke, Theresa L. tliedtke@usgs.gov;  Didricksen, Daniel J.;  Weiland, Lisa K. lweiland@usgs.gov;  Ragala, Joshua A.;  Lampman, Ralph
Adobe PDF(871Kb)  |  收藏  |  浏览/下载:52/20  |  提交时间:2019/11/06
Assessing potential effects of highway and urban runoff on receiving streams in total maximum daily load watersheds in Oregon using the stochastic empirical loading and dilution model 科技报告
报告编号: 70204038, , 2019
作者:  Stonewall, Adam J. stonewal@usgs.gov;  Granato, Gregory E.;  Glover-Cutter, Kira M.
Adobe PDF(17200Kb)  |  收藏  |  浏览/下载:32/14  |  提交时间:2019/11/06
Lakes and reservoirs—Guidelines for study design and sampling 科技报告
报告编号: 70155912, 页数: 57, 2018
作者:  U.S. Geological Survey
Adobe PDF(5029Kb)  |  收藏  |  浏览/下载:25/4  |  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
Preparations for water sampling 科技报告
报告编号: 70200972, , 2018
作者:  U.S. Geological Survey
Adobe PDF(2860Kb)  |  收藏  |  浏览/下载:3/2  |  提交时间:2019/11/06
Groundwater-level, groundwater-temperature, and barometric-pressure data, July 2017 to February 2018, Hālawa Area, Oʻahu, Hawaiʻi 科技报告
报告编号: 70199174, , 2018
作者:  Mitchell, Jackson N.;  Oki, Delwyn S. dsoki@usgs.gov
Adobe PDF(42151Kb)  |  收藏  |  浏览/下载:71/41  |  提交时间:2019/11/06
Evaluation of whole-water churn splitters for suspended-sediment sample collection and analysis 科技报告
报告编号: 70199837, , 2018
作者:  Barr, Miya N. mnbarr@usgs.gov
Adobe PDF(3042Kb)  |  收藏  |  浏览/下载:1/0  |  提交时间:2019/11/06
Draft critical mineral list—Summary of methodology and background information—U.S. Geological Survey technical input document in response to Secretarial Order No. 3359 科技报告
报告编号: 70195360, 页数: 26, 2018
作者:  Fortier, Steven M.;  Nassar, Nedal T. nnassar@usgs.gov;  Lederer, Graham W.;  Brainard, Jamie;  Gambogi, Joseph jgambogi@usgs.gov;  McCullough, Erin A. emccullough@usgs.gov
Adobe PDF(309Kb)  |  收藏  |  浏览/下载:41/21  |  提交时间:2019/11/06