@misc{indiciae44f8b402946c,
  title = {Preliminary map--thickness of surficial deposits in city of Great Falls and vicinity, Montana},
  author = {Richard Walter Lemke and Edwin K. Maughan},
  year = {1955},
  doi = {10.3133/ofr5594},
  url = {https://pubs.usgs.gov/publication/ofr5594},
  note = {Source identifier: ofr5594}
}