@misc{indiciaece4c1d570b01,
  title = {Coal resource occurrence map of the Nose Rock quadrangle, McKinley County, New Mexico},
  author = {Berge Exploration Inc.},
  year = {1979},
  doi = {10.3133/ofr79641},
  url = {https://pubs.usgs.gov/publication/ofr79641},
  note = {Source identifier: ofr79641}
}