@misc{indiciae32757bb6d10f,
  title = {Geologic map of the Watkins SE Quadrangle, McCone and Prairie counties, Montana},
  author = {R. B. Colton and J. P. McGraw and S.L. Durst},
  year = {1994},
  doi = {10.3133/ofr88624},
  url = {https://pubs.usgs.gov/publication/ofr88624},
  note = {Source identifier: ofr88624}
}