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Natural and man-made hexavalent chromium, Cr(VI), in groundwater near a mapped plume, Hinkley, California—study progress as of May 2017, and a summative-scale approach to estimate background Cr(VI) concentrations [研究报告]
10.3133/ofr20181045U.S. Geological Survey. 2018-01-01
Izbicki, John A. jaizbick@usgs.gov;  Groover, Krishangi D. kgroover@usgs.gov
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Electrical resistivity investigation of fluvial geomorphology to evaluate potential seepage conduits to agricultural lands along the San Joaquin River, Merced County, California, 2012–13 [研究报告]
10.3133/sir20165172U.S. Geological Survey. 2017-01-01
Groover, Krishangi D. kgroover@usgs.gov;  Burgess, Matthew K. mburgess@usgs.gov;  Howle, James F. jfhowle@usgs.gov;  Phillips, Steven P. sphillip@usgs.gov
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Elemental analysis using a handheld X-Ray fluorescence spectrometer [研究报告]
10.3133/fs20163043U.S. Geological Survey. 2016-01-01
Groover, Krishangi D. kgroover@usgs.gov;  Izbicki, John A. jaizbick@usgs.gov
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