@misc{indiciae402a7aa090fb,
  title = {Geologic map of the Fraser 7.5-minute quadrangle, Grand County, Colorado},
  author = {Ralph R. Shroba and Bruce Bryant and Karl S. Kellogg and Paul K. Theobald and Theodore R. Brandt},
  year = {2010},
  doi = {10.3133/sim3130},
  url = {https://pubs.usgs.gov/publication/sim3130},
  note = {Source identifier: sim3130}
}