@misc{indiciae460af343121c,
  title = {Stratigraphy of the El Dorado oil field, Arkansas, as determined by drill cuttings},
  author = {James Gilluly and K. C. Heald},
  year = {1923},
  doi = {10.3133/b736h},
  url = {https://pubs.usgs.gov/publication/b736H},
  note = {Source identifier: b736H}
}