@misc{indiciae22b1437413f8,
  title = {Variations in vitrinite reflectance values for the Upper Cretaceous Mesaverde Formation, southeastern Piceance Basin, northwestern Colorado: Implications for burial history and potential hydrocarbon generation. The Fryingpan Member of the Maroon Formation: A Lower Permian(?) basin-margin dune field in northwestern Colorado},
  author = {Vito F. Nuccio and Ronald C. Johnson and Samuel Y. Johnson},
  year = {1989},
  doi = {10.3133/b1787hi},
  url = {https://pubs.usgs.gov/publication/b1787HI},
  note = {Source identifier: b1787HI}
}