@misc{indiciaea1e4900a1523,
  title = {An evaluation of sand and gravel resources in and near the Verde Valley of the Coconino National Forest, Arizona},
  author = {Leslie J. Cox},
  year = {1995},
  doi = {10.3133/ofr9531},
  url = {https://pubs.usgs.gov/publication/ofr9531},
  note = {Source identifier: ofr9531}
}