TY  - RPRT
TI  - NACSN, note 67--Application for revision of Articles 36 and 37, Lithodemic units of the North American stratigraphic code
AU  - Robert M. Easton
AU  - Lucy E. Edwards
AU  - Randall C. Orndorff
AU  - Manuel Duguet
AU  - Ismael Ferrusquia-Villafranca
PY  - 2015
UR  - https://pubs.usgs.gov/publication/70156790
ID  - 70156790
ER  -