@misc{indiciaefd0fec3d88ef,
  title = {Depositional history of Jurassic rocks in the area of the Powder River basin, northeastern Wyoming and southeastern Montana},
  author = {Edward A. Johnson},
  year = {1992},
  doi = {10.3133/b1917j},
  url = {https://pubs.usgs.gov/publication/b1917J},
  note = {Source identifier: b1917J}
}