@misc{indiciae38cda58eb34c,
  title = {North-south stratigraphic cross sections of upper Cretaceous rocks, northern San Juan Basin, southwestern Colorado},
  author = {C. M. Molenaar and J. K. Baird},
  year = {1989},
  doi = {10.3133/mf2068},
  url = {https://pubs.usgs.gov/publication/mf2068},
  note = {Source identifier: mf2068}
}