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研究报告 [3]
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2018 [1]
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Data analysis considerations for pesticides determined by National Water Quality Laboratory schedule 2437 [研究报告]
10.3133/sir20185007U.S. Geological Survey. 2018-01-01
Shoda, Megan E. meshoda@usgs.gov;  Nowell, Lisa H. lhnowell@usgs.gov;  Stone, Wesley W. wwstone@usgs.gov;  Sandstrom, Mark W. sandstro@usgs.gov;  Bexfield, Laura M. bexfield@usgs.gov
View/Download：10/0
 
An overview comparing results from two decades of monitoring for pesticides in the Nation???s streams and rivers, 1992-2001 and 2002-2011 [研究报告]
10.3133/sir20145154U.S. Geological Survey. 2014-01-01
Stone, Wesley W. wwstone@usgs.gov;  Gilliom, Robert J. rgilliom@usgs.gov;  Martin, Jeffrey D. jdmartin@usgs.gov
View  |  Adobe PDF(625Kb)  |  View/Download：3/3
 
Estimation of annual agricultural pesticide use for counties of the conterminous United States, 1992-2009 [研究报告]
U.S. Geological Survey. 2013-01-01
Thelin, Gail P.;  Stone, Wesley W. wwstone@usgs.gov
View  |  Adobe PDF(3667Kb)  |  View/Download：1/1
 

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