@misc{indiciaea63a61e5f8e8,
  title = {Coal resource occurrence maps of the Coal Bank Basin Quadrangle, Carbon County, Wyoming},
  author = {Texas Instruments Incorporated},
  year = {1978},
  doi = {10.3133/ofr7863},
  url = {https://pubs.usgs.gov/publication/ofr7863},
  note = {Source identifier: ofr7863}
}