Please define "coal country". Which States constitute "coal country"? Why do you consider them part of "coal country"? I would recommend looking up recent coal production statistics to assist you in this effort.
Please identify which Presidential candidate these States supported in 2000, 2004, 2008 and 2012.
You may find the results of your research surprising.
The media romanticizes Appalachian ‘coal country’...which is fine with me, since they’d be horrified to see the scale of coal mining in Wyoming.