@misc{indiciae05a4fd771f4c,
  title = {Subsurface data on thicknesses and distribution of some Upper Jurassic formations in adjacent parts of Texas, Louisiana, and Arkansas},
  author = {Kendell A. Dickinson},
  year = {1968},
  doi = {10.3133/ofr6874},
  url = {https://pubs.usgs.gov/publication/ofr6874},
  note = {Source identifier: ofr6874}
}