@misc{indiciae516b1d650703,
  title = {Geochemical map of the Middle Mountain-Tobacco Root Roadless Area, Madison County, Montana},
  author = {J.M. O’Neill},
  year = {1983},
  doi = {10.3133/mf1590b},
  url = {https://pubs.usgs.gov/publication/mf1590B},
  note = {Source identifier: mf1590B}
}