@misc{indiciae6c0b26f15463,
  title = {Geology of the Central City quadrangle, Colorado},
  author = {P. K. Sims},
  year = {1964},
  doi = {10.3133/gq267},
  url = {https://pubs.usgs.gov/publication/gq267},
  note = {Source identifier: gq267}
}