@misc{indiciae11447becdec7,
  title = {Quaternary Geologic Map of the Platte River 4 Degrees x 6 Degrees Quadrangle, United States},
  author = {Vincent H. Dreeszen and Gerald Martin Richmond and Merlin J. Tipton and Richard F. Bretz and Fred V. Steece and George R. Hallberg and Joseph E. Goebel},
  year = {1994},
  doi = {10.3133/i1420(nk14)},
  url = {https://pubs.usgs.gov/publication/i1420(NK14)},
  note = {Source identifier: i1420(NK14)}
}