@misc{indiciaedff3dbe493f8,
  title = {Geologic map of the Olson Coulee North Quadrangle, Dawson County, Montana},
  author = {R. B. Colton and J. P. McGraw and D. K. Bozeman and S.L. Durst},
  year = {1994},
  doi = {10.3133/ofr88620},
  url = {https://pubs.usgs.gov/publication/ofr88620},
  note = {Source identifier: ofr88620}
}