@misc{indiciae4e6f3ea12920,
  title = {Geology of the Fort Laramie area, Platte and Goshen Counties, Wyoming},
  author = {Laura W. McGrew},
  year = {1963},
  doi = {10.3133/b1141f},
  url = {https://pubs.usgs.gov/publication/b1141F},
  note = {Source identifier: b1141F}
}