@misc{indiciaeb90c2af76bda,
  title = {Geology of part of the Townsend Valley, Broadwater and Jefferson Counties, Montana},
  author = {Val L. Freeman and Edward Thompson Ruppel and Montis Ruhl Klepper},
  year = {1958},
  doi = {10.3133/b1042n},
  url = {https://pubs.usgs.gov/publication/b1042N},
  note = {Source identifier: b1042N}
}