@misc{indiciae81602af80dac,
  title = {Ride the Rockies Poster},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2008},
  doi = {10.3133/gip68},
  url = {https://pubs.usgs.gov/publication/gip68},
  note = {Source identifier: gip68}
}