TY  - RPRT
TI  - Compilation of proximate and ultimate analyses of coal, impure coal, and carbonaceous mudrock (Pennsylvanian) from Massachusetts and Rhode Island
AU  - Paul C. Lyons
AU  - Harry B. Chase
PY  - 1979
DO  - 10.3133/ofr791242
UR  - https://pubs.usgs.gov/publication/ofr791242
ID  - ofr791242
ER  -