TY  - RPRT
TI  - The Bull mountain coal field, Musselshell and Yellowstone counties, Montana
AU  - Lester Hood Woolsey
AU  - Ralph Webster Richards
AU  - Charles Thomas Lupton
PY  - 1917
DO  - 10.3133/b647
UR  - https://pubs.usgs.gov/publication/b647
ID  - b647
ER  -