@misc{indiciae9b8a63d959c8,
  title = {Reconnaissance geologic map of the Deer Peak quadrangle and southern part of the Hardscrabble Mountain Quadrangle, Custer and Huerfano counties, Colorado},
  author = {R. B. Taylor},
  year = {1974},
  doi = {10.3133/i870},
  url = {https://pubs.usgs.gov/publication/i870},
  note = {Source identifier: i870}
}