@misc{indiciae636fb6728715,
  title = {Geologic map of the Glenn Creek quadrangle, Lewis and Clark and Teton Counties, Montana},
  author = {Melville Rhodes Mudge},
  year = {1966},
  doi = {10.3133/gq499},
  url = {https://pubs.usgs.gov/publication/gq499},
  note = {Source identifier: gq499}
}