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Concentrations of nutrients at the water table beneath forage fields receiving seasonal applications of manure, Whatcom County, Washington, autumn 2011–spring 2015 [研究报告]
10.3133/sir20185124U.S. Geological Survey. 2018-01-01
Cox, Stephen E. secox@usgs.gov;  Spanjer, Andrew R. aspanjer@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Barbash, Jack E. jbarbash@usgs.gov;  Embertson, Nichole M.
View/Download：23/0
 
Understanding the influence of nutrients on stream ecosystems in agricultural landscapes [研究报告]
10.3133/cir1437U.S. Geological Survey. 2018-01-01
Munn, Mark D. mdmunn@usgs.gov;  Frey, Jeffrey W. jwfrey@usgs.gov;  Tesoriero, Anthony J. tesorier@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Duff, John H. jhduff@usgs.gov;  Lee, Kathy E. klee@usgs.gov;  Maret, Terry R. trmaret@usgs.gov;  Mebane, Christopher A. cmebane@usgs.gov;  Waite, Ian R. iwaite@usgs.gov;  Zelt, Ronald B. rbzelt@usgs.gov
View/Download：18/0
 
Suspended-sediment transport from the Green-Duwamish River to the Lower Duwamish Waterway, Seattle, Washington, 2013–17 [研究报告]
10.3133/ofr20181029U.S. Geological Survey. 2018-01-01
Senter, Craig A. csenter@usgs.gov;  Conn, Kathleen E. kconn@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Peterson, Norman npeterson@usgs.gov;  Vanderpool-Kimura, Ann M. avander@usgs.gov;  Foreman, James R. jforeman@usgs.gov
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Continuous-flow centrifugation to collect suspended sediment for chemical analysis [研究报告]
10.3133/tm1D6U.S. Geological Survey. 2016-01-01
Conn, Kathleen E. kconn@usgs.gov;  Dinicola, Richard S. dinicola@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Cox, Stephen E. secox@usgs.gov;  Sheibley, Richard W.;  Foreman, James R. jforeman@usgs.gov;  Senter, Craig A.;  Peterson, Norman T. npeterson@usgs.gov
View/Download：17/0
 

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