"BILLINGS — Coal companies in the United States boosted production of the fuel in 2017 to reverse a two-year decline.

The U.S. Energy Information Administration said Thursday that companies mined 771 million tons of coal through Dec. 30, a 6 percent increase versus 2016.

Wyoming, the largest coal state, saw production rise 8 percent. Neighboring Montana had a 5 percent increase."

Gary Hillson reports for the Associated Press January 4, 2018. [2]

SEE ALSO:

"Pennsylvania Coal Production In 2017 Stayed Above 2016 Levels" (Pittsburgh Tribune-Review) [3]