TY  - RPRT
TI  - Diagrams showing proposed correlation and nomenclature of Eocene and Paleocene coal beds in the Birney 30' x 60' Quadrangle, Big Horn, Rosebud, and Powder River counties, Montana
AU  - William Craven Culbertson
PY  - 1987
DO  - 10.3133/coal113
UR  - https://pubs.usgs.gov/publication/coal113
ID  - coal113
ER  -