@misc{indiciaee6e203553595,
  title = {Geologic map of the Newcastle 1 degree by 2 degrees Quadrangle, northeastern Wyoming and western South Dakota},
  author = {J. D. Love and A. C. Christiansen and L.W. McGrew},
  year = {1977},
  doi = {10.3133/mf883},
  url = {https://pubs.usgs.gov/publication/mf883},
  note = {Source identifier: mf883}
}