@misc{indiciaed697dd5a5be2,
  title = {Coal resource occurrence and coal development potential maps of the Rocky Butte quadrangle, Campbell County, Wyoming},
  author = {IntraSearch Inc.},
  year = {1978},
  doi = {10.3133/ofr78830},
  url = {https://pubs.usgs.gov/publication/ofr78830},
  note = {Source identifier: ofr78830}
}