@misc{indiciaefc91627b7b59,
  title = {Geology of the Wolf Point quadrangle, Montana},
  author = {Roger B. Colton},
  year = {1955},
  doi = {10.3133/gq67},
  url = {https://pubs.usgs.gov/publication/gq67},
  note = {Source identifier: gq67}
}