CCPortal

浏览/检索结果: 共35条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
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:71/22  |  提交时间:2019/11/06
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:99/20  |  提交时间:2019/11/06
Soil mineralogy and geochemistry along a north-south transect in Alaska and the relation to source-rock terrane 科技报告
报告编号: 70204649, 页数: 27, 2019
作者:  Wang, Bronwen;  Hults, Chad P. chults@usgs.gov;  Eberl, Dennis D.;  Woodruff, Laurel G. woodruff@usgs.gov;  Cannon, William F. wcannon@usgs.gov;  Gough, Larry P. lgough@usgs.gov
Adobe PDF(6985Kb)  |  收藏  |  浏览/下载:64/35  |  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
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:51/20  |  提交时间:2019/11/06
Geochemistry of groundwater in the eastern Snake River Plain aquifer, Idaho National Laboratory and vicinity, eastern Idaho 科技报告
报告编号: 70196064, 页数: 212, 2018
作者:  Rattray, Gordon W. grattray@usgs.gov
Adobe PDF(17744Kb)  |  收藏  |  浏览/下载:4/2  |  提交时间:2019/11/06
Descriptive models for epithermal gold-silver deposits: Chapter Q in 科技报告
报告编号: 70196376, , 2018
作者:  John, David A. djohn@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  du Bray, Edward A. edubray@usgs.gov;  Blakely, Richard J. blakely@usgs.gov;  Fey, David L. dfey@usgs.gov;  Rockwell, Barnaby W. barnabyr@usgs.gov;  Mauk, Jeffrey L. jmauk@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov;  Graybeal, Frederick T.
Adobe PDF(39815Kb)  |  收藏  |  浏览/下载:47/17  |  提交时间:2019/11/06
Nutrient and metal loads estimated by using discrete, automated, and continuous water-quality monitoring techniques for the Blackstone River at the Massachusetts-Rhode Island State line, water years 2013–14 科技报告
报告编号: 70190434, , 2018
作者:  Sorenson, Jason R. jsorenso@usgs.gov;  Granato, Gregory E. ggranato@usgs.gov;  Smith, Kirk P. kpsmith@usgs.gov
Adobe PDF(4179Kb)  |  收藏  |  浏览/下载:50/26  |  提交时间:2019/11/06
Near-field receiving-water monitoring of trace metals and a benthic community near the Palo Alto Regional Water Quality Control Plant in south San Francisco Bay, California—2017 科技报告
报告编号: 70198036, 页数: 79, 2018
作者:  Cain, Daniel J. djcain@usgs.gov;  Thompson, Janet K. jthompso@usgs.gov;  Parchaso, Francis parchaso@usgs.gov;  Pearson, Sarah;  Stewart, Robin arstewar@usgs.gov;  Turner, Matthew A.;  Barasch, David;  Slabic, Ane;  Luoma, Samuel N. snluoma@usgs.gov
Adobe PDF(3610Kb)  |  收藏  |  浏览/下载:53/21  |  提交时间:2019/11/06
Status of selenium in south San Francisco Bay—A basis for modeling potential guidelines to meet National tissue criteria for fish and a proposed wildlife criterion for birds 科技报告
报告编号: 70197967, 页数: 84, 2018
作者:  Luoma, Samuel N.;  Presser, Theresa S. tpresser@usgs.gov
Adobe PDF(4736Kb)  |  收藏  |  浏览/下载:30/23  |  提交时间:2019/11/06