Upper Freeport Coal Bed County Statistics (Chemistry) in
Pennsylvania, Ohio, West Virginia, and Maryland
This dataset is a polygon coverage of counties limited to the extent of
the Upper Freeport coal bed resource areas and attributed with
statistics on these coal quality parameters: ash yield (percent), sulfur
(percent), SO2 (lbs per million Btu), calorific value (Btu/lb), arsenic
(ppm) content and mercury (ppm) …