@misc{indiciae3cd47c0a8142,
  title = {Field guide to sedimentary structures in the Navajo and Entrada sandstones in southern Utah and northern Arizona},
  author = {David M. Rubin and Ralph E. Hunter},
  year = {1987},
  url = {https://pubs.usgs.gov/publication/70137248},
  note = {Source identifier: 70137248}
}