@misc{indiciae6ccda42e55e7,
  title = {Geologic map of the Lusk area, Goshen and Niobrara counties, Wyoming},
  author = {N.M. Denson},
  year = {1974},
  doi = {10.3133/ofr74349},
  url = {https://pubs.usgs.gov/publication/ofr74349},
  note = {Source identifier: ofr74349}
}