@misc{indiciae547ac4c09816,
  title = {Geology of the Sierra Madera cryptoexplosion structure, Pecos County, Texas},
  author = {H. G. Wilshire and Terry W. Offield and K. A. Howard and David Cummings},
  year = {1972},
  doi = {10.3133/pp599h},
  url = {https://pubs.usgs.gov/publication/pp599H},
  note = {Source identifier: pp599H}
}