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研究报告 [3]
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2019 [1]
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Catchment-level estimates of nitrogen and phosphorus agricultural use from commercial fertilizer sales for the conterminous United States, 2012 [研究报告]
10.3133/sir20185145U.S. Geological Survey. 2019-01-01
Stewart, Jana S. jsstewar@usgs.gov;  Schwarz, Gregory E. gschwarz@usgs.gov;  Brakebill, John W. jwbrakeb@usgs.gov;  Preston, Stephen D. spreston@usgs.gov
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Sources of fine-grained sediment in the Linganore Creek watershed, Frederick and Carroll Counties, Maryland, 2008-10 [研究报告]
10.3133/sir20145147U.S. Geological Survey. 2015-01-01
Gellis, Allen C. agellis@usgs.gov;  Noe, Gregory B. gnoe@usgs.gov;  Clune, John W. jclune@usgs.gov;  Myers, Michael K. mkmyers@usgs.gov;  Hupp, Cliff R. crhupp@usgs.gov;  Schenk, Edward R. eschenk@usgs.gov;  Schwarz, Gregory E. gschwarz@usgs.gov
View  |  Adobe PDF(3980Kb)  |  View/Download：4/1
 
Estimated nitrogen loads from selected tributaries in Connecticut draining to Long Island Sound, 1999???2009 [研究报告]
10.3133/sir20135171U.S. Geological Survey. 2013-01-01
Mullaney, John R. jmullane@usgs.gov;  Schwarz, Gregory E. gschwarz@usgs.gov
View  |  Adobe PDF(3527Kb)  |  View/Download：5/5
 

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