@misc{indiciae9c6a60175cc7,
  title = {Geologic map of the Chama River Canyon Wilderness and contiguous roadless area, Rio Arriba County, New Mexico},
  author = {J.L. Ridgley},
  year = {1983},
  doi = {10.3133/mf1523c},
  url = {https://pubs.usgs.gov/publication/mf1523C},
  note = {Source identifier: mf1523C}
}