>>20060118Here are some major met coal producers in the USA.
https://www.metcoalproducers.com/Also, the smaller southern WV met coal mines will be around for a loooooong time, hundreds of years at least. Their production costs per ton are higher, but they'll be around, and some seams down there in southern West Virginia may well be suited to longwalling even though no longwall mines are set up there now. (There used to be, I am told).
