@misc{indiciae82c1980bb490,
  title = {Colorado Plateau},
  author = {William L. Graf and Richard Hereford and Julie Laity and Richard A. Young},
  year = {1987},
  doi = {10.1130/dnag-cent-v2.259},
  url = {https://pubs.usgs.gov/publication/70210060},
  note = {Source identifier: 70210060}
}