TY  - RPRT
TI  - Maps showing coal-split boundaries, isopachs of coal splits, coal resources, and coal quality– Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana
AU  - Carol Waite Connor
PY  - 1989
DO  - 10.3133/coal126b
UR  - https://pubs.usgs.gov/publication/coal126B
ID  - coal126B
ER  -