@misc{indiciae06e348652d63,
  title = {U.S. Geological Survey ground-water studies in Oklahoma},
  author = {J.S. Havens},
  year = {1988},
  doi = {10.3133/ofr88140},
  url = {https://pubs.usgs.gov/publication/ofr88140},
  note = {Source identifier: ofr88140}
}