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A Rich Marine Algal Ecosystem 600 Million Years Earlier Than Previously Thought 科技资讯
2021
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A rich marine algal ecosystem 600 million years earlier than previously thought 科技资讯
2021
收藏  |  浏览/下载:1/0  |  提交时间:2021/04/17
True Origin of Oldest Evidence of Animals 科技资讯
2020
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Humans Colonized Polynesia Much Earlier Than Previously Thought 科技资讯
2020
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Groundwater contributions to excessive algal growth in the East Fork Carson River, Carson Valley, west-central Nevada, 2010 and 2012 科技报告
报告编号: 70198296, 页数: 110, 2018
作者:  Alvarez, Nancy L.;  Pahl, Randy A.;  Rosen, Michael R. mrosen@usgs.gov
Adobe PDF(5394Kb)  |  收藏  |  浏览/下载:57/21  |  提交时间:2019/11/06
Methods used for the collection and analysis of chemical and biological data for the Tapwater Exposure Study, United States, 2016–17 科技报告
报告编号: 70197649, , 2018
作者:  Romanok, Kristin M.;  Kolpin, Dana W.;  Meppelink, Shannon M.;  Argos, Maria;  Brown, Juliane B.;  Devito, Michael J.;  Dietze, Julie E.;  Givens, Carrie E.;  Gray, James L.;  Higgins, Christopher P.;  Hladik, Michelle L.;  Iwanowicz, Luke R.;  Loftin, Keith A.;  McCleskey, R. Blaine;  McDonough, Carrie A.;  Meyer, Michael T.;  Strynar, Mark J.;  Weis, Christopher P.;  Wilson, Vickie S.;  Bradley, Paul M.
Adobe PDF(1098Kb)  |  收藏  |  浏览/下载:91/24  |  提交时间:2019/11/06
Wastewater indicators, hormones, sterols, antibiotics, and pharmaceuticals in soil at an agricultural field irrigated with domestic septage, central Minnesota, September 2014 科技报告
报告编号: 70198537, 页数: 34, 2018
作者:  Elliott, Sarah M. selliott@usgs.gov;  Erickson, Melinda L. merickso@usgs.gov;  Krall, Aliesha L. adiekoff@usgs.gov;  Adams, Byron A.
Adobe PDF(897Kb)  |  收藏  |  浏览/下载:49/26  |  提交时间:2019/11/06
Summary of U.S. Geological Survey studies conducted in cooperation with the Citizen Potawatomi Nation, central Oklahoma, 2011–14 科技报告
报告编号: 70160313, 页数: 33, 2016
作者:  Andrews, William J. wandrews@usgs.gov;  Becker, Carol J. cjbecker@usgs.gov;  Ryter, Derek W. dryter@usgs.gov;  Smith, S. Jerrod sjsmith@usgs.gov
Adobe PDF(2214Kb)  |  收藏  |  浏览/下载:32/19  |  提交时间:2019/11/06
Effects of aquifer storage and recovery activities on water quality in the Little Arkansas River and Equus Beds Aquifer, south-central Kansas, 2011–14 科技报告
报告编号: 70170068, 页数: 104, 2016
作者:  Stone, Mandy L. mstone@usgs.gov;  Garrett, Jessica D. jgarrett@usgs.gov;  Poulton, Barry C. bpoulton@usgs.gov;  Ziegler, Andrew C. aziegler@usgs.gov
Adobe PDF(5725Kb)  |  收藏  |  浏览/下载:30/10  |  提交时间:2019/11/06
Water-quality data and Escherichia coli predictions for selected karst catchments of the upper Duck River watershed in central Tennessee, 2007–10 科技报告
报告编号: 70171411, 页数: 28, 2016
作者:  Murphy, Jennifer C. jmurphy@usgs.gov;  Farmer, James;  Layton, Alice
Adobe PDF(1772Kb)  |  收藏  |  浏览/下载:41/10  |  提交时间:2019/11/06