@misc{indiciae0e26e0789471, title = {Ground-water-quality assessment of the Central Oklahoma Aquifer, Oklahoma: Geochemical and geohydrologic investigations}, author = {David L. Parkhurst and Scott C. Christenson and George N. Breit}, year = {1993}, doi = {10.3133/ofr92642}, url = {https://pubs.usgs.gov/publication/ofr92642}, note = {Source identifier: ofr92642} }