@misc{indiciae76e917eae1f6,
  title = {Engineering geology of the city of Great Falls and vicinity, Montana},
  author = {R. W. Lemke and E. K. Maughan},
  year = {1977},
  doi = {10.3133/i1025},
  url = {https://pubs.usgs.gov/publication/i1025},
  note = {Source identifier: i1025}
}