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2017 [2]
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Water-quality trends in the nation’s rivers and streams, 1972–2012—Data preparation, statistical methods, and trend results [研究报告]
10.3133/sir20175006U.S. Geological Survey. 2017-01-01
Oelsner, Gretchen P. goelsner@usgs.gov;  Sprague, Lori A. lsprague@usgs.gov;  Murphy, Jennifer C. jmurphy@usgs.gov;  Zuellig, Robert E. rzuellig@usgs.gov;  Johnson, Henry M.;  Ryberg, Karen R. kryberg@usgs.gov;  Falcone, James A. jfalcone@usgs.gov;  Stets, Edward G. estets@usgs.gov;  Vecchia, Aldo V.;  Riskin, Melissa L. mriskin@usgs.gov;  De Cicco, Laura A. ldecicco@usgs.gov;  Mills, Taylor J. tmills@usgs.gov;  Farmer, William H. wfarmer@usgs.gov
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Methods used to characterize the chemical composition and biological activity of environmental waters throughout the United States, 2012-14 [研究报告]
10.3133/ofr20171011U.S. Geological Survey. 2017-01-01
Romanok, Kristin M. kromanok@usgs.gov;  Reilly, Timothy J. tjreilly@usgs.gov;  Barber, Larry B. lbbarber@usgs.gov;  Boone, J. Scott;  Buxton, Herbert T.;  Foreman, William T. wforeman@usgs.gov;  Furlong, Edward T. efurlong@usgs.gov;  Hladik, Michelle mhladik@usgs.gov;  Iwanowicz, Luke R. liwanowicz@usgs.gov;  Journey, Celeste A. cjourney@usgs.gov;  Kolpin, Dana W. dwkolpin@usgs.gov;  Kuivila, Kathryn kkuivila@usgs.gov;  Loftin, Keith A. kloftin@usgs.gov;  Mills, Marc A.;  Meyer, Michael T. mmeyer@usgs.gov;  Orlando, James L. jorlando@usgs.gov;  Smalling, Kelly L. ksmall@usgs.gov;  Villeneuve, Daniel L.;  Bradley, Paul M. pbradley@usgs.gov
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