@misc{indiciaeeac7b5e7693d,
  title = {Preliminary geologic map, columnar sections and trench sections of the Irwin quadrangle, Caribou and Bonneville Counties, Idaho, and Lincoln and Teton Counties, Wyoming},
  author = {L.S. Gardner},
  year = {1961},
  doi = {10.3133/ofr6153},
  url = {https://pubs.usgs.gov/publication/ofr6153},
  note = {Source identifier: ofr6153}
}