@misc{indiciaee12567386b93,
  title = {Preliminary geologic map of the Montrose 1 degree by 2 degrees Quadrangle, southwestern Colorado},
  author = {Ogden Tweto and T. A. Steven and W. J. Hail and R. H. Moench},
  year = {1976},
  doi = {10.3133/mf761},
  url = {https://pubs.usgs.gov/publication/mf761},
  note = {Source identifier: mf761}
}