@misc{indiciae48bc0bc9a953,
  title = {Digital simulation of the Ogallala aquifer in Sherman County, Kansas},
  author = {T.J. McClain},
  year = {1970},
  doi = {10.3133/ofr70206},
  url = {https://pubs.usgs.gov/publication/ofr70206},
  note = {Source identifier: ofr70206}
}