@misc{indiciaec2f4f181eabb,
  title = {Geologic map of the Middle Mountain-Tobacco Root Roadless Area, Madison County, Montana},
  author = {J.M. O’Neill},
  year = {1983},
  doi = {10.3133/mf1590a},
  url = {https://pubs.usgs.gov/publication/mf1590A},
  note = {Source identifier: mf1590A}
}