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研究报告 [5]
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Spatial and Temporal Patterns of Best Management Practice Implementation in the Chesapeake Bay Watershed, 1985–2014 [研究报告]
10.3133/sir20185171U.S. Geological Survey. 2019-01-01
Sekellick, Andrew J. ajsekell@usgs.gov;  Devereux, Olivia H.;  Keisman, Jennifer L.D.;  Sweeney, Jeffrey S.;  Blomquist, Joel D. jdblomqu@usgs.gov
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Manure and fertilizer inputs to land in the Chesapeake Bay watershed, 1950–2012 [研究报告]
10.3133/sir20185022U.S. Geological Survey. 2018-01-01
Keisman, Jennifer L.D. jkeisman@usgs.gov;  Devereux, Olivia H.;  LaMotte, Andrew E. alamotte@usgs.gov;  Sekellick, Andrew J. ajsekell@usgs.gov;  Blomquist, Joel D. jdblomqu@usgs.gov
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Water volume and sediment volume and density in Lake Linganore between Boyers Mill Road Bridge and Bens Branch, Frederick County, Maryland, 2012 [研究报告]
U.S. Geological Survey. 2013-01-01
Sekellick, Andrew J. ajsekell@usgs.gov;  Banks, William S.L.;  Myers, Michael K. mkmyers@usgs.gov
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Statistical classification of hydrogeologic regions in the fractured rock area of Maryland and parts of the District of Columbia, Virginia, West Virginia, Pennsylvania, and Delaware [研究报告]
U.S. Geological Survey. 2013-01-01
Fleming, Brandon J. bjflemin@usgs.gov;  LaMotte, Andrew E. alamotte@usgs.gov;  Sekellick, Andrew J. ajsekell@usgs.gov
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A regional classification of the effectiveness of depressional wetlands at mitigating nitrogen transport to surface waters in the Northern Atlantic Coastal Plain [研究报告]
U.S. Geological Survey. 2013-01-01
Ator, Scott W. swator@usgs.gov;  Denver, Judith M. jmdenver@usgs.gov;  LaMotte, Andrew E. alamotte@usgs.gov;  Sekellick, Andrew J. ajsekell@usgs.gov
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