@misc{indiciae461ad60aa69e,
  title = {Engineering geologic map of the Sheridan Quadrangle, Sheridan County, Wyoming},
  author = {E. N. Hinrichs},
  year = {1983},
  doi = {10.3133/i1449},
  url = {https://pubs.usgs.gov/publication/i1449},
  note = {Source identifier: i1449}
}