@misc{indiciae671bf7088529,
  title = {Preliminary report for open file on geology of the Canning quadrangle, South Dakota},
  author = {Dwight R. Crandell},
  year = {1951},
  doi = {10.3133/ofr5230},
  url = {https://pubs.usgs.gov/publication/ofr5230},
  note = {Source identifier: ofr5230}
}