@misc{indiciaed10a02d57f98,
  title = {Surficial geologic map of the Gillette 30' x 60' Quadrangle, Campbell and Crook counties, Wyoming},
  author = {Marith C. Reheis},
  year = {1987},
  doi = {10.3133/coal105},
  url = {https://pubs.usgs.gov/publication/coal105},
  note = {Source identifier: coal105}
}