@misc{indiciae9fb6a62304ec,
  title = {Geology of the Atkinson Creek quadrangle, Colorado},
  author = {E. J. McKay and Fred W. Cater},
  year = {1955},
  doi = {10.3133/gq57},
  url = {https://pubs.usgs.gov/publication/gq57},
  note = {Source identifier: gq57}
}