@misc{indiciaee684e26f3d09,
  title = {Map showing wells drilled to depths [greater than or equal to] 10,000 feet in the north-central Gulf Coast region},
  author = {Debra K. Higley},
  year = {1992},
  doi = {10.3133/om224a},
  url = {https://pubs.usgs.gov/publication/om224A},
  note = {Source identifier: om224A}
}