@misc{indiciae5589cbe7cf45,
  title = {Water-level changes in the High Plains aquifer -- Predevelopment to 1991},
  author = {T. J. McGrath and J. T. Dugan},
  year = {1993},
  doi = {10.3133/wri934088},
  url = {https://pubs.usgs.gov/publication/wri934088},
  note = {Source identifier: wri934088}
}