@misc{indiciae3c642cc62943,
  title = {Surficial geologic map of the Madison Junction Quadrangle, Yellowstone National Park, Wyoming},
  author = {H.A. Waldrop and K. L. Pierce},
  year = {1975},
  doi = {10.3133/i651},
  url = {https://pubs.usgs.gov/publication/i651},
  note = {Source identifier: i651}
}