@misc{indiciae03e1eae32948,
  title = {Coal resource occurrence and coal development potential maps of the Cooley Draw Quadrangle, Niobrara County, Wyoming},
  author = {IntraSearch Inc.},
  year = {1979},
  doi = {10.3133/ofr79474},
  url = {https://pubs.usgs.gov/publication/ofr79474},
  note = {Source identifier: ofr79474}
}