@misc{indiciae1afe546b1669,
  title = {Geologic map and cross sections of the La Veta Pass, La Veta, and Ritter Arroyo quadrangles, Huerfano and Costilla counties, Colorado},
  author = {J. D. Vine},
  year = {1974},
  doi = {10.3133/i833},
  url = {https://pubs.usgs.gov/publication/i833},
  note = {Source identifier: i833}
}