CCPortal

浏览/检索结果: 共49条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Mineral Resource Governance in the 21st Century 科技报告
, 2020
作者:  United Nations Environment Programme
Adobe PDF(27245Kb)  |  收藏  |  浏览/下载:139/21  |  提交时间:2020/03/25
Mineral Planning Factsheet Construction Aggregates 科技报告
, 2019
Adobe PDF(5484Kb)  |  收藏  |  浏览/下载:65/12  |  提交时间:2019/11/06
The Chalk aquifer of the Wessex Basin 科技报告
, 2019
Adobe PDF(21098Kb)  |  收藏  |  浏览/下载:88/14  |  提交时间:2019/11/06
New exposed section in the Ardersier Silts Formation : November 20th-21st, 2017 科技报告
, 2019
Adobe PDF(12328Kb)  |  收藏  |  浏览/下载:10/1  |  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
Paleoliquefaction field reconnaissance in eastern North Carolina—Is there evidence for large magnitude earthquakes between the central Virginia seismic zone and Charleston seismic zone? 科技报告
报告编号: 70203767, , 2019
作者:  Carter, Mark W. mcarter@usgs.gov;  McLaurin, Brett T.
Adobe PDF(18913Kb)  |  收藏  |  浏览/下载:10/1  |  提交时间:2019/11/06
Hydraulic, geochemical, and thermal monitoring of an aquifer system in the vicinity of Mammoth Lakes, Mono County, California, 2015–17 科技报告
报告编号: 70203631, 页数: 90, 2019
作者:  Howle, James F.;  Evans, William C. wcevans@usgs.gov;  Galloway, Devin L. dlgallow@usgs.gov;  Hsieh, Paul A. pahsieh@usgs.gov;  Hurwitz, Shaul;  Smith, Gregory A.;  Nawikas, Joseph jnawika@usgs.gov
Adobe PDF(7626Kb)  |  收藏  |  浏览/下载:50/19  |  提交时间:2019/11/06
Distribution of effluent injected into the Boulder Zone of the Floridan aquifer system at the North District Wastewater Treatment Plant, southeastern Florida, 1997–2011 科技报告
报告编号: 70194691, 页数: 64, 2018
作者:  King, Jeffrey N. jking@usgs.gov;  Decker, Jeremy D. jdecker@usgs.gov
Adobe PDF(15244Kb)  |  收藏  |  浏览/下载:28/8  |  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
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