@misc{indiciae2840e48e7714,
  title = {Hydrogeologic maps of the central Oklahoma aquifer, Oklahoma},
  author = {Scott C. Christenson and Robert B. Morton and Benard A. Mesander},
  year = {1992},
  doi = {10.3133/ha724},
  url = {https://pubs.usgs.gov/publication/ha724},
  note = {Source identifier: ha724}
}