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Groundwater quality and hydrology with emphasis on selenium mobilization and transport in the Lower Gunnison River Basin, Colorado, 2012–16 [研究报告]
10.3133/sir20195029U.S. Geological Survey. 2019-01-01
Thomas, Judith C.;  McMahon, Peter B. pmcmahon@usgs.gov;  Arnold, L. R. lrarnold@usgs.gov
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Groundwater chemistry and water-level elevations in bedrock aquifers of the Piceance and Yellow Creek watersheds, Rio Blanco County, Colorado, 2013–16 [研究报告]
10.3133/sir20185142U.S. Geological Survey. 2018-01-01
Thomas, Judith C. juthomas@usgs.gov;  McMahon, Peter B. pmcmahon@usgs.gov
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Brackish groundwater in the United States [研究报告]
10.3133/pp1833U.S. Geological Survey. 2017-01-01
Stanton, Jennifer S. jstanton@usgs.gov;  Anning, David W. dwanning@usgs.gov;  Brown, Craig J.;  Moore, Richard B. rmoore@usgs.gov;  McGuire, Virginia L. vlmcguir@usgs.gov;  Qi, Sharon L. slqi@usgs.gov;  Harris, Alta C. aharris@usgs.gov;  Dennehy, Kevin F. kdennehy@usgs.gov;  McMahon, Peter B.;  Degnan, James R. jrdegnan@usgs.gov;  Böhlke, John Karl jkbohlke@usgs.gov
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Preliminary results from exploratory sampling of wells for the California oil, gas, and groundwater program, 2014–15 [研究报告]
10.3133/ofr20161100U.S. Geological Survey. 2016-01-01
McMahon, Peter B. pmcmahon@usgs.gov;  Kulongoski, Justin T. kulongos@usgs.gov;  Wright, Michael T. mtwright@usgs.gov;  Land, Michael T. mtland@usgs.gov;  Landon, Matthew K. landon@usgs.gov;  Cozzarelli, Isabelle M. icozzare@usgs.gov;  Vengosh, Avner;  Aiken, George R. graiken@usgs.gov
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Preliminary assessment of sources of nitrogen in groundwater at a biosolids-application area near Deer Trail [研究报告]
U.S. Geological Survey. 2012-01-01
Yager, Tracy J.B.;  McMahon, Peter B. pmcmahon@usgs.gov
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