@misc{indiciae2276526927fe,
  title = {NACSN, note 67--Application for revision of Articles 36 and 37, Lithodemic units of the North American stratigraphic code},
  author = {Robert M. Easton and Lucy E. Edwards and Randall C. Orndorff and Manuel Duguet and Ismael Ferrusquia-Villafranca},
  year = {2015},
  url = {https://pubs.usgs.gov/publication/70156790},
  note = {Source identifier: 70156790}
}