@misc{indiciae7e4d5ab803bb,
  title = {Surficial geologic map of the Eagle Peak Quadrangle, Yellowstone National Park and adjoining area, Wyoming},
  author = {G.M. Richmond and K. L. Pierce},
  year = {1972},
  doi = {10.3133/i637},
  url = {https://pubs.usgs.gov/publication/i637},
  note = {Source identifier: i637}
}