TY  - RPRT
TI  - Arsenic-bearing pyrite and marcasite in the Fire Clay coal bed, Middle Pennsylvanian Breathitt Formation, eastern Kentucky
AU  - L.F. Ruppert
AU  - J.C. Hower
AU  - C.F. Eble
PY  - 2005
DO  - 10.1016/j.coal.2005.02.003
UR  - https://pubs.usgs.gov/publication/70029543
ID  - 70029543
ER  -