Hello Marylanders,
Here's a page with some history about the "Georges Creek" region. Mining is still going strong here. It good coal, but I wish that this region was anthracite.
http://en.wikipedia.org/wiki/Georges_Creek_Valley
Here are other pages that others might find interesting, as I have;
http://en.wikipedia.org/wiki/Anthracite
http://en.wikipedia.org/wiki/Bituminous_coal
http://en.wikipedia.org/wiki/Coal
Dave
Frostburg