@misc{indiciaec65617c1cb03,
  title = {Coal depositional models in some Tertiary and Cretaceous coal fields in the U.S. Western Interior},
  author = {R. M. Flores},
  year = {1979},
  doi = {10.1016/0146-6380(79)90025-1},
  url = {https://pubs.usgs.gov/publication/70012440},
  note = {Source identifier: 70012440}
}