TY - RPRT TI - Stratigraphic framework of coal beds in the Fort Union Formation, eastern part of the Fort Peck Indian Reservation, Daniels, Roosevelt, and Sheridan counties, Montana AU - John K. Hardie AU - Harold H. Arndt PY - 1990 DO - 10.3133/coal122c UR - https://pubs.usgs.gov/publication/coal122C ID - coal122C ER -