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Groundwater quality in the Bear Valley and Lake Arrowhead Watershed, California 科技报告
报告编号: 70187505, , 2017
作者:  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 科技报告
报告编号: 70187493, , 2017
作者:  Mathany, Timothy M. tmathany@usgs.gov;  Burton, Carmen A. caburton@usgs.gov
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