@misc{indiciae2808c90b86ad,
  title = {Coal resource occurrence and coal development potential maps of the Carbon quadrangle, Carbon County, Wyoming},
  author = {Texas Instruments Incorporated},
  year = {1978},
  doi = {10.3133/ofr7844},
  url = {https://pubs.usgs.gov/publication/ofr7844},
  note = {Source identifier: ofr7844}
}