TY  - RPRT
TI  - Toxic substances from coal combustion - A comprehensive assessment, phase II: Element modes of occurrence for the Ohio 5/6/7, Wyodak, and North Dakota coal samples
AU  - Allan Kolker
AU  - Stanley J. Mroczkowski
AU  - Curtis A. Palmer
AU  - Kristen O. Dennen
AU  - Robert B. Finkelman
AU  - John H. Bullock
PY  - 2002
DO  - 10.3133/ofr02224
UR  - https://pubs.usgs.gov/publication/ofr02224
ID  - ofr02224
ER  -