@misc{indiciae32e9fff75534, title = {Assessing the vulnerability of public-supply wells to contamination from urban, agricultural, and natural sources}, author = {Sandra M. Eberts and Martha L. Erwin and Pixie A. Hamilton}, year = {2005}, doi = {10.3133/fs20053022}, url = {https://pubs.usgs.gov/publication/fs20053022}, note = {Source identifier: fs20053022} }