@misc{indiciaea5f788469f74,
  title = {Geologic map of the Willow Creek Reservoir and Norris NE quadrangles, Gallatin and Madison counties, Montana},
  author = {K.S. Kellogg and S.M. Vuke},
  year = {1996},
  doi = {10.3133/ofr9612},
  url = {https://pubs.usgs.gov/publication/ofr9612},
  note = {Source identifier: ofr9612}
}