TY  - RPRT
TI  - MICROCHARACTERIZATION OF ARSENIC- AND SELENIUM-BEARING PYRITE IN UPPER FREEPORT COAL, INDIANA COUNTY, PENNSYLVANIA.
AU  - J.A. Minkin
AU  - R. B. Finkelman
AU  - C.L. Thompson
AU  - E. C. T. Chao
AU  - L.F. Ruppert
AU  - H. Blank
AU  - C. B. Cecil
PY  - 1984
UR  - https://pubs.usgs.gov/publication/70013406
ID  - 70013406
ER  -