TY  - RPRT
TI  - Geologic framework of nonmarine cretaceous-tertiary boundary sites, Raton Basin, New Mexico and Colorado
AU  - C. L. Pillmore
AU  - R.H. Tschudy
AU  - C. J. Orth
AU  - J. S. Gilmore
AU  - J.D. Knight
PY  - 1984
DO  - 10.1126/science.223.4641.1180
UR  - https://pubs.usgs.gov/publication/70013585
ID  - 70013585
ER  -