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研究报告 [4]
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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.
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Monitoring plant tissue nitrogen isotopes to assess nearshore inputs of nitrogen to Lake Crescent, Olympic National Park, Washington [研究报告]
10.3133/sir20165054U.S. Geological Survey. 2016-01-01
Cox, Stephen E. secox@usgs.gov;  Moran, Patrick W. pwmoran@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Fradkin, Steven C.
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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
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Transport and deposition of asbestos-rich sediment in the Sumas River, Whatcom County, Washington [研究报告]
10.3133/sir20155177U.S. Geological Survey. 2015-01-01
Curran, Christopher A. ccurran@usgs.gov;  Anderson, Scott W.;  Barbash, Jack E. jbarbash@usgs.gov;  Magirl, Christopher S. magirl@usgs.gov;  Cox, Stephen E. secox@usgs.gov;  Norton, Katherine K. knorton@usgs.gov;  Gendaszek, Andrew S. agendasz@usgs.gov;  Spanjer
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