@misc{indiciae7a23bc1f8465,
  title = {Water-level changes in the High Plains aquifer — Predevelopment to 1993},
  author = {J. T. Dugan and D. A. Cox},
  year = {1994},
  doi = {10.3133/wri944157},
  url = {https://pubs.usgs.gov/publication/wri944157},
  note = {Source identifier: wri944157}
}