@misc{indiciae7f7b334c0358,
  title = {Photogeologic and reconnaissance geologic map of the Hogan Creek Quadrangle, Custer County, Montana},
  author = {S. J. Luft and R. B. Colton and E.L. Heffern},
  year = {1984},
  doi = {10.3133/mf1685},
  url = {https://pubs.usgs.gov/publication/mf1685},
  note = {Source identifier: mf1685}
}