@misc{indiciae3088c0eb6015,
  title = {Preliminary coal resource occurrence map of the Wyodak Bed in The Gap SW quadrangle, Campbell County, Wyoming},
  author = {Juliana Waring},
  year = {1976},
  doi = {10.3133/ofr76553},
  url = {https://pubs.usgs.gov/publication/ofr76553},
  note = {Source identifier: ofr76553}
}