@misc{indiciae19659a4afef2,
  title = {Photogeologic and reconnaissance geologic map of the Nichols Quadrangle, Rosebud County, Montana},
  author = {R. B. Colton and J.L. Klockenbrink and M.A. Grosz and E.L. Heffern},
  year = {1984},
  doi = {10.3133/mf1723},
  url = {https://pubs.usgs.gov/publication/mf1723},
  note = {Source identifier: mf1723}
}