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Groundwater quality in the Bear Valley and Lake Arrowhead Watershed, California [研究报告]
10.3133/fs20173037U.S. Geological Survey. 2017-01-01
Mathany, Timothy M. tmathany@usgs.gov;  Burton, Carmen A. caburton@usgs.gov;  Fram, Miranda S. mfram@usgs.gov
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Status and understanding of groundwater quality in the Bear Valley and Lake Arrowhead Watershed Study Unit, 2010: California GAMA Priority Basin Project [研究报告]
10.3133/sir20175043U.S. Geological Survey. 2017-01-01
Mathany, Timothy M. tmathany@usgs.gov;  Burton, Carmen A. caburton@usgs.gov
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Groundwater-quality data in 12 GAMA study units: Results from the 2006–10 initial sampling period and the 2008–13 trend sampling period, California GAMA Priority Basin Project [研究报告]
10.3133/ds1038U.S. Geological Servey. 2017-01-01
Mathany, Timothy M. tmathany@usgs.gov
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Status and understanding of groundwater quality in the Northern Coast Ranges study unit, 2009: California GAMA Priority Basin Project [研究报告]
10.3133/sir20145215U.S. Geological Survey. 2015-01-01
Mathany, Timothy M. tmathany@usgs.gov;  Belitz, Kenneth kbelitz@usgs.gov
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