TY  - RPRT
TI  - Paleocene and Eocene strata in the Bearpaw Mountains, Montana
AU  - R.W. Brown
AU  - W. T. Pecora
PY  - 1949
DO  - 10.1126/science.109.2837.487
UR  - https://pubs.usgs.gov/publication/70010867
ID  - 70010867
ER  -