@misc{indiciae0ad0df70d893,
  title = {The Miocene Troublesome Formation in Middle Park, northwestern Colorado},
  author = {Glen Arthur Izett},
  year = {1968},
  doi = {10.3133/ofr68142},
  url = {https://pubs.usgs.gov/publication/ofr68142},
  note = {Source identifier: ofr68142}
}