@misc{indiciaed6978a680083,
  title = {Geologic map of the Fan Mountain quadrangle, Madison County, Montana},
  author = {Karl S. Kellogg},
  year = {1992},
  doi = {10.3133/gq1706},
  url = {https://pubs.usgs.gov/publication/gq1706},
  note = {Source identifier: gq1706}
}