Wyoming produces 40% of US coal. 3x the production of WV. https://www.wsgs.wyo.gov/energy/coal-production-mining https://www.wsgs.wyo.gov/energy/coal-productio

Wyoming produces 40% of US coal. 3x the production of WV. https://www.wsgs.wyo.gov/energy/coal-production-mining https://www.wsgs.wyo.gov/energy/coal-production-mining It's low sulfur coal from the powder river basin: https://en.wikipedia.org/wiki/Powder_River_Basin#Coal https://en.wikipedia.org/wiki/Powder_River_Basin#Coal Extracted using surface mining: https://en.wikipedia.org/wiki/Surface_mining https://en.wikipedia.org/wiki/Surface_mining Wyoming mines: https://www.hcn.org/blogs/goat/images/coal.jpg/image https://www.hcn.org/blogs/goat/images/coal.jpg/image https://c8.alamy.com/comp/CFRP52/coal-mine-in-wyomings-powder-river-basin-CFRP52.jpg https://c8.alamy.com/comp/CFRP52/coal-mine-in-wyomings-powde...