@misc{indiciae911557f83c8e,
  title = {Altitude and configuration of the 1980 water table in the High Plains regional aquifer, northwestern Oklahoma},
  author = {John S. Havens},
  year = {1982},
  doi = {10.3133/ofr82100},
  url = {https://pubs.usgs.gov/publication/ofr82100},
  note = {Source identifier: ofr82100}
}