@misc{indiciae967e379f3d1a,
  title = {Iridium abundance measurements across the Cretaceous/Tertiary boundary in the San Juan and Raton Basins of northern New Mexico},
  author = {C. J. Orth and J. S. Gilmore and J.D. Knight and R.H. Tschudy and C. L. Pillmore and James E. Fassett},
  year = {1982},
  doi = {10.1130/spe190-p423},
  url = {https://pubs.usgs.gov/publication/70207330},
  note = {Source identifier: 70207330}
}