@misc{indiciae882f1ca6f4c9,
  title = {Geology of Paleozoic Rocks in the Upper Colorado River Basin in Arizona, Colorado, New Mexico, Utah, and Wyoming, Excluding the San Juan Basin},
  author = {Arthur L. Geldon},
  year = {2003},
  doi = {10.3133/pp1411a},
  url = {https://pubs.usgs.gov/publication/pp1411A},
  note = {Source identifier: pp1411A}
}