@misc{indiciae9c1d45bd6396,
  title = {Geologic history and hydrocarbon potential of Late Cretaceous-age, low-permeability reservoirs, Piceance Basin, western Colorado},
  author = {Ronald C. Johnson},
  year = {1989},
  doi = {10.3133/b1787e},
  url = {https://pubs.usgs.gov/publication/b1787E},
  note = {Source identifier: b1787E}
}