TY  - RPRT
TI  - Economics of the coal industry east of the Mississippi, 1973-1982
AU  - S.B. Bhagwat
PY  - 1987
DO  - 10.1016/0166-5162(87)90073-5
UR  - https://pubs.usgs.gov/publication/70014218
ID  - 70014218
ER  -