@misc{indiciae390ccb774cda,
  title = {Preliminary results of a study of calcium carbonate saturation of ground water in central Florida},
  author = {William Back},
  year = {1963},
  doi = {10.1080/02626666309493336},
  url = {https://pubs.usgs.gov/publication/70221111},
  note = {Source identifier: 70221111}
}