@misc{indiciae8cdbbdd6562e,
  title = {Geologic map of Dinosaur National Monument and vicinity, Utah and Colorado},
  author = {W. R. Hansen and P. D. Rowley and P. E. Carrara},
  year = {1983},
  doi = {10.3133/i1407},
  url = {https://pubs.usgs.gov/publication/i1407},
  note = {Source identifier: i1407}
}