@misc{indiciaefb834cfb3f49,
  title = {New names for units in the lower part of the Green River Formation, Piceance Creek basin, Colorado},
  author = {Ronald C. Johnson},
  year = {1984},
  doi = {10.3133/b1529i},
  url = {https://pubs.usgs.gov/publication/b1529I},
  note = {Source identifier: b1529I}
}