@misc{indiciae657ff5297889,
  title = {Geologic map of the Fort Garland Quadrangle, Costilla County, Colorado},
  author = {A. R. Wallace},
  year = {1997},
  doi = {10.3133/mf2312e},
  url = {https://pubs.usgs.gov/publication/mf2312E},
  note = {Source identifier: mf2312E}
}