@misc{indiciaef057b6e4ab15,
  title = {Geologic map and coal resources of the Riner Quadrangle, Carbon and Sweetwater counties, Wyoming},
  author = {Robert B. Sanders},
  year = {1974},
  doi = {10.3133/coal68},
  url = {https://pubs.usgs.gov/publication/coal68},
  note = {Source identifier: coal68}
}