@misc{indiciaec1d802a76e0e,
  title = {Surficial geologic map of the Sheridan 30' by 60' Quadrangle, Wyoming and Montana},
  author = {E. N. Hinrichs},
  year = {1984},
  doi = {10.3133/mf1693},
  url = {https://pubs.usgs.gov/publication/mf1693},
  note = {Source identifier: mf1693}
}