@misc{indiciaed253d763b241,
  title = {Stratigraphy of the Chinle and Moenkopi Formations, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah},
  author = {C.A. Repenning and M. E. Cooley and J. P. Akers},
  year = {1969},
  doi = {10.3133/pp521b},
  url = {https://pubs.usgs.gov/publication/pp521B},
  note = {Source identifier: pp521B}
}