@misc{indiciae74faf716fda6,
  title = {Geologic map of the Gillette 30' by 60' Quadrangle, Campbell and Crook counties, Wyoming},
  author = {M.C. Reheis},
  year = {1982},
  doi = {10.3133/mf1387},
  url = {https://pubs.usgs.gov/publication/mf1387},
  note = {Source identifier: mf1387}
}