@misc{indiciaef15a6260e19d,
  title = {Butte special folio, Montana},
  author = {Walter Harvey Weed and Samuel Franklin Emmons and George Warren Tower},
  year = {1897},
  doi = {10.3133/gf38},
  url = {https://pubs.usgs.gov/publication/gf38},
  note = {Source identifier: gf38}
}