Two Wyoming Mines Accounted For 20% Of U.S. Coal Production By Tons In 2012

Two Wyoming mines accounted for 20% of U.S. coal production by tons in 2012.Preliminary coal production data for 2012 show that 9 out of the top 10 producing coal mines in the United States are located in Wyoming; the top two producing mines in Wyoming account for 20% of total U.S. coal production by tonnage. Collectively, the top 10 mines accounted for 38% of total U.S. coal production by