@misc{indiciaee35608daf88a,
  title = {Preliminary geologic map of the Beaver Creek Hills Quadrangle, Sheridan County, Wyoming},
  author = {E. N. Hinrichs},
  year = {1979},
  doi = {10.3133/mf1084},
  url = {https://pubs.usgs.gov/publication/mf1084},
  note = {Source identifier: mf1084}
}