TY  - RPRT
TI  - Stratigraphy of the Fort Union Formation in the eastern part of the Fort Peck Indian Reservation, Daniels, Roosevelt, and Sheridan counties, Montana
AU  - John K. Hardie
AU  - Harold H. Arndt
PY  - 1989
DO  - 10.3133/coal122b
UR  - https://pubs.usgs.gov/publication/coal122B
ID  - coal122B
ER  -