@misc{indiciae0102135245f4,
  title = {Map showing structure of the Permian (Guadalupian) Capitan Aquifer, southeastern New Mexico and western Texas},
  author = {William L. Hiss},
  year = {1976},
  doi = {10.3133/ofr7653},
  url = {https://pubs.usgs.gov/publication/ofr7653},
  note = {Source identifier: ofr7653}
}