@misc{indiciae9f4355c7d9a4,
  title = {Surficial geologic map of the Warm River Butte Quadrangle, Yellowstone National Park and adjoining area, Idaho and Wyoming},
  author = {G.M. Richmond},
  year = {1973},
  doi = {10.3133/i645},
  url = {https://pubs.usgs.gov/publication/i645},
  note = {Source identifier: i645}
}