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研究报告 [3]
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2018 [1]
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Agriculture — A river runs through it — The connections between agriculture and water quality [研究报告]
10.3133/cir1433U.S. Geological Survey. 2018-01-01
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.
View/Download：3/0
 
Water quality in Indiana: trends in concentrations of selected nutrients, metals, and ions in streams, 2000-10 [研究报告]
10.3133/sir20145205U.S. Geological Survey. 2014-01-01
Risch, Martin R. mrrisch@usgs.gov;  Bunch, Aubrey R. aurbunch@usgs.gov;  Vecchia, Skip V. avecchia@usgs.gov;  Martin, Jeffrey D. jdmartin@usgs.gov;  Baker, Nancy T. ntbaker@usgs.gov
View  |  Adobe PDF(21227Kb)  |  View/Download：6/1
 
Environmental factors that influence the location of crop agriculture in the conterminous United States [研究报告]
U.S. Geological Survey. 2011-01-01
Baker, Nancy T. ntbaker@usgs.gov;  Capel, Paul D. capel@usgs.gov
Adobe PDF(17814Kb)  |  View/Download：2/2
 

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