@misc{indiciaeb170a7c84006,
  title = {EXTRACT: a FORTRAN program to retrieve selected Well History Control System (WHCS) data},
  author = {Suzanne Weston and T. S. Dyman},
  year = {1981},
  doi = {10.3133/ofr8129},
  url = {https://pubs.usgs.gov/publication/ofr8129},
  note = {Source identifier: ofr8129}
}