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研究报告 [4]
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2017 [1]
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Predicted pH at the domestic and public supply drinking water depths, Central Valley, California [研究报告]
10.3133/sim3377U.S. Geological Survey. 2017-01-01
Rosecrans, Celia Z. crosecrans@usgs.gov;  Nolan, Bernard T. btnolan@usgs.gov;  Gronberg, Jo Ann M.
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Estimates of inorganic nitrogen wet deposition from precipitation for the conterminous United States, 1955-84 [研究报告]
10.3133/sir20145067U.S. Geological Survey. 2014-01-01
Gronberg, Jo Ann M.;  Ludtke, Amy S. asludtke@usgs.gov;  Knifong, Donna L. dknifong@usgs.gov
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Estimated anthropogenic nitrogen and phosphorus inputs to the land surface of the conterminous United States--1992, 1997, and 2002 [研究报告]
U.S. Geological Survey. 2013-01-01
Sprague, Lori A. lsprague@usgs.gov;  Gronberg, Jo Ann M.
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County-level estimates of nitrogen and phosphorus from commercial fertilizer for the Conterminous United States, 1987???2006 [研究报告]
U.S. Geological Survey. 2012-01-01
Gronberg, Jo Ann M.;  Spahr, Norman E. nspahr@usgs.gov
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