@misc{indiciae74f8192ac68f,
  title = {Correlation and age of the Upper Jurassic Morrison Formation from magnetostratigraphic analysis},
  author = {Maureen B. Steiner and S. G. Lucas and Eugene Merle Shoemaker},
  year = {1994},
  url = {https://pubs.usgs.gov/publication/70226851},
  note = {Source identifier: 70226851}
}