@misc{indiciae7b9f639cf360,
  title = {Devils Tower folio, Wyoming},
  author = {Nelson Horatio Darton and C. C. O’Harra},
  year = {1907},
  doi = {10.3133/gf150},
  url = {https://pubs.usgs.gov/publication/gf150},
  note = {Source identifier: gf150}
}