@misc{indiciae0836deba1331,
  title = {Preliminary geologic map of the southern half of the Fort Douglas quadrangle, Salt Lake County, Utah},
  author = {Richard Van Horn},
  year = {1969},
  doi = {10.3133/ofr69308},
  url = {https://pubs.usgs.gov/publication/ofr69308},
  note = {Source identifier: ofr69308}
}