@misc{indiciae21e9eb28a628,
  title = {Uranium in coal in the western United States},
  author = {Norman M. Denson and G. O. Bachman and James R. Gill and William J. Hail and Roy C. Kepferle and William J. Mapel and Harold Masursky and Robert E. Melin and George W. Moore and George N. Pipiringos and Charles B. Read and James M. Schopf and James D. Vine and Howard D. Zeller},
  year = {1959},
  doi = {10.3133/b1055},
  url = {https://pubs.usgs.gov/publication/b1055},
  note = {Source identifier: b1055}
}