@misc{indiciaeab02573456cd,
  title = {Geologic map and coal deposits of the Gillette West Quadrangle, Campbell County, Wyoming},
  author = {B. E. Law},
  year = {1978},
  doi = {10.3133/mf974},
  url = {https://pubs.usgs.gov/publication/mf974},
  note = {Source identifier: mf974}
}