@misc{indiciaea1bd610718c5,
  title = {Preliminary report on coal resources of the Otter Creek EMRIA site, Powder River County, Montana},
  author = {E. J. McKay and Joseph R. Hatch and Edwin R. Landis},
  year = {1976},
  doi = {10.3133/ofr76387},
  url = {https://pubs.usgs.gov/publication/ofr76387},
  note = {Source identifier: ofr76387}
}