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Estimating nitrate concentrations in groundwater at selected wells and springs in the surficial aquifer system and Upper Floridan aquifer, Dougherty Plain and Marianna Lowlands, Georgia, Florida, and Alabama, 2002-50 [研究报告]
10.3133/sir20135150U.S. Geological Survey. 2013-01-01
Crandall, Christy A. crandall@usgs.gov;  Katz, Brian G. bkatz@usgs.gov;  Berndt, Marian P.
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