@misc{indiciaec4e5a512202d,
  title = {Late diagenetic indicators of buried oil and gas},
  author = {Terrence J. Donovan and Mary C. Dalziel},
  year = {1977},
  doi = {10.3133/ofr77817},
  url = {https://pubs.usgs.gov/publication/ofr77817},
  note = {Source identifier: ofr77817}
}