TY  - RPRT
TI  - Distribution of trace elements in coal from the Powhatan No. 6 mine, Ohio
AU  - C.A. Palmer
AU  - R.H. Filby
PY  - 1984
DO  - 10.1016/0016-2361(84)90007-3
UR  - https://pubs.usgs.gov/publication/70013164
ID  - 70013164
ER  -