@misc{indiciae279aff511e3f,
  title = {Coal availability in the Hilight Quadrangle, Powder River Basin, Wyoming; a prototype study in a western coal field},
  author = {Carol L. Molnia and Laura Biewick and Dorsey Blake and Susan J. Tewalt and M. Devereaux Carter and Charlie Gaskill},
  year = {1997},
  doi = {10.3133/ofr97469},
  url = {https://pubs.usgs.gov/publication/ofr97469},
  note = {Source identifier: ofr97469}
}