@misc{indiciae61e170dd9ca1, title = {Records of wells and chemical analyses of ground water in Campbell County, South Dakota}, author = {K.M. Neitzert and N.C. Koch}, year = {1987}, doi = {10.3133/ofr8742}, url = {https://pubs.usgs.gov/publication/ofr8742}, note = {Source identifier: ofr8742} }