TY  - RPRT
TI  - Selenium Concentrations in Middle Pennsylvanian Coal-Bearing Strata in the Central Appalachian Basin
AU  - Sandra G. Neuzil
AU  - Frank T. Dulong
AU  - C. Blaine Cecil
AU  - Nick Fedorko
AU  - John J. Renton
AU  - D.K. Bhumbla
PY  - 2007
DO  - 10.3133/ofr20071090
UR  - https://pubs.usgs.gov/publication/ofr20071090
ID  - ofr20071090
ER  -