@misc{indiciaed0010210e022,
  title = {Preliminary report on coal resources of the Wyodak-Anderson coal zone, Powder River Basin, Wyoming and Montana},
  author = {Margaret S. Ellis and Gregory L. Gunther and Romeo M. Flores and Allen M. Ochs and Gary D. Stricker and Steven B. Roberts and Thomas T. Taber and Lisa R. Bader and John H. Schuenemeyer},
  year = {1998},
  doi = {10.3133/ofr98789a},
  url = {https://pubs.usgs.gov/publication/ofr98789A},
  note = {Source identifier: ofr98789A}
}