I am sure you are right. I must admit that the information that I wrote about was from memory and quite old. It may be that when I read it some years ago (more than 10) it was a theory and not fact. Memory does strange things. I was born and raised in W.Va. A short distance from our house was a coal mine. This was in the late 30's and being a normal boy I decided to sneak down into tht mine along with a friend. That was my one and only venture into the coal business. I made up my mind then and there that I would find some other way to make my living. I have a great respect for those men, but it was not for me. Thanks again for the informative lesson's on the present state of the coal/energy generation business.