@misc{indiciaeb02937019e5a,
  title = {Surface vitrinite reflectance study of the Uinta and Piceance basins and adjacent areas, eastern Utah and western Colorado — Implications for the development of Laramide basins and uplifts},
  author = {Ronald C. Johnson and Vito F. Nuccio},
  year = {1993},
  doi = {10.3133/b1787dd},
  url = {https://pubs.usgs.gov/publication/b1787DD},
  note = {Source identifier: b1787DD}
}