@misc{indiciae1183a561811f,
  title = {Atlas to accompany the Tertiary history of the Grand Canyon district},
  author = {Clarence E. Dutton},
  year = {1882},
  doi = {10.3133/m2\_1882},
  url = {https://pubs.usgs.gov/publication/m2\_1882},
  note = {Source identifier: m2\_1882}
}