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Apr 14, 2015 1) West Virginia is the second most producing coal state in the nation, next to Wyoming. J. Stephen Conn Flickr. 2) The Coal House, located in Williamson, WV, is a building made of coal masonry. It was the only of its kind when it was built in 1933, but in 1959 there was a second coal house built in Lewisburg. Jimmy Emerson, DVM Flickr.