TY  - RPRT
TI  - Arsenic, cadmium, lead, and zinc in the Danville and Springfield coal members (Pennsylvanian) from Indiana
AU  - Maria Mastalerz
AU  - A. Drobniak
PY  - 2007
DO  - 10.1016/j.coal.2006.05.005
UR  - https://pubs.usgs.gov/publication/70030156
ID  - 70030156
ER  -