@misc{indiciaefe732c1cbd8c,
  title = {Stratigraphic relations of the Navajo Sandstone to Middle Jurassic formations, southern Utah and northern Arizona},
  author = {Fred Peterson and G. N. Pipiringos},
  year = {1979},
  doi = {10.3133/pp1035b},
  url = {https://pubs.usgs.gov/publication/pp1035B},
  note = {Source identifier: pp1035B}
}