@misc{indiciaee7f529c1d217, title = {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}, author = {Christy A. Crandall and Brian G. Katz and Marian P. Berndt}, year = {2013}, doi = {10.3133/sir20135150}, url = {https://pubs.usgs.gov/publication/sir20135150}, note = {Source identifier: sir20135150} }