@misc{indiciae239bee77aa5d,
  title = {Chemical analyses of spring waters in the Hot Springs National Park, Arkansas area},
  author = {G. A. Billingsley and J.H. Hubble},
  year = {1953},
  doi = {10.3133/ofr5322},
  url = {https://pubs.usgs.gov/publication/ofr5322},
  note = {Source identifier: ofr5322}
}