@misc{indiciae26dd844c60f6, title = {Estimating the Probability of Elevated Nitrate Concentrations in Ground Water in Washington State}, author = {Lonna M. Frans}, year = {2008}, doi = {10.3133/sir20085025}, url = {https://pubs.usgs.gov/publication/sir20085025}, note = {Source identifier: sir20085025} }