@misc{indiciae2327ea4ab3b2,
  title = {Geologic map of the Pelican Cone quadrangle, Yellowstone National Park and vicinity, Wyoming},
  author = {Harold J. Prostka and Harry Wynn Smedes and Robert L. Christiansen},
  year = {1975},
  doi = {10.3133/gq1243},
  url = {https://pubs.usgs.gov/publication/gq1243},
  note = {Source identifier: gq1243}
}