TY  - RPRT
TI  - Map showing the Mammoth coal bed, Paleocene Fort Union Formation in the Bull Mountains, Musselshell and Yellowstone Counties, Montana
AU  - Carol Waite Connor
AU  - Jean K. Griffith
PY  - 1980
DO  - 10.3133/ofr80711
UR  - https://pubs.usgs.gov/publication/ofr80711
ID  - ofr80711
ER  -