@misc{indiciae33b0e104aa9c,
  title = {Coughs Creek Tongue: A new tongue of the Eocene Green River Formation, Piceance Creek basin, Colorado},
  author = {Robert Brett O'Sullivan},
  year = {1975},
  doi = {10.3133/b1395g},
  url = {https://pubs.usgs.gov/publication/b1395G},
  note = {Source identifier: b1395G}
}