@misc{indiciaea9cb57eaebd2,
  title = {Mineral resources of the Missouri Valley region; Part 1, Metallic mineral resources; Part 2, Nonmetallic mineral resources; Part 3, Fuel resources; Part 4, Construction materials},
  author = {D. H. Dow and D. M. Larrabee and S.E. Clabaugh},
  year = {1945},
  doi = {10.3133/mb1},
  url = {https://pubs.usgs.gov/publication/mb1},
  note = {Source identifier: mb1}
}