TY - RPRT TI - Coal quality controls of the Danville coal in Indiana (Illinois Basin, Central USA) AU - Maria Mastalerz AU - P.L. Padgett PY - 2002 DO - 10.1016/s0166-5162(01)00060-x UR - https://pubs.usgs.gov/publication/70025118 ID - 70025118 ER -