@misc{indiciaeba34b97b98cb,
  title = {Geology of the Minturn 15-minute quadrangle, Eagle and Summit counties, Colorado},
  author = {Ogden Linne Tweto and Thomas Seward Lovering},
  year = {1977},
  doi = {10.3133/pp956},
  url = {https://pubs.usgs.gov/publication/pp956},
  note = {Source identifier: pp956}
}