@misc{indiciaedd3e4d15b2f8,
  title = {Geologic map of the Abiathar Peak quadrangle, Yellowstone National Park, Wyoming and Montana},
  author = {Harold J. Prostka and Edward Thompson Ruppel and Robert L. Christiansen},
  year = {1975},
  doi = {10.3133/gq1244},
  url = {https://pubs.usgs.gov/publication/gq1244},
  note = {Source identifier: gq1244}
}