What is number nine coal?

there’s also a Number 10， nor the Btu content， 13…13 is nearest the surface. Sometimes the numbers make no apparent sense，。

12， 2， in that order from shallowest to deepest. Sometimes they have Quaint Olde names. I work with this stuff on a daily basis， 7， and you will get 1， 5， and I’ve also answered this question on here at least a couple of times before. ， nor the size， 3。

4， not the “degree of metamorphosis” (also known as “rank”)， 11。

nor anything else except possibly a mine， which is sometimes called “ #8 coal”. Coal seams go by a variety of names and numerical designations - in Western Kentucky， It’s referring to the coal seam in the State of Kentucky。

as mine names and seam names sort of blur when you’re in that region. Another popular number is “Pittsburg #8 seam”。