@misc{indiciae094f89dfd02e,
  title = {Ground-water levels in Indiana},
  author = {F.H. Klaer},
  year = {1949},
  doi = {10.3133/ofr4987},
  url = {https://pubs.usgs.gov/publication/ofr4987},
  note = {Source identifier: ofr4987}
}