@misc{indiciaeb1a46acb4c48,
  title = {History of the Redwall Limestone of northern Arizona},
  author = {Edwin D. McKee and Raymond C. Gutschick},
  year = {1969},
  doi = {10.1130/mem114},
  url = {https://pubs.usgs.gov/publication/70225578},
  note = {Source identifier: 70225578}
}