TY  - RPRT
TI  - Spatial trends in ash yield, sulfur, selenium, and other selected trace element concentrations in coal beds of the Appalachian Plateau region, U.S.A.
AU  - Sandra G. Neuzil
AU  - Frank T. Dulong
AU  - C. Blaine Cecil
PY  - 2005
DO  - 10.3133/ofr20051330
UR  - https://pubs.usgs.gov/publication/ofr20051330
ID  - ofr20051330
ER  -