@misc{indiciae2aa031f41105,
  title = {Dinosaurs, pollen and spores, and the age of the Ojo Alamo Sandstone, San Juan Basin, New Mexico},
  author = {James E. Fassett and S. G. Lucas and F.M. O’Neill},
  year = {1987},
  doi = {10.1130/spe209-p17},
  url = {https://pubs.usgs.gov/publication/70207311},
  note = {Source identifier: 70207311}
}