And even if coal output increased, that might not lead to more jobs, thanks to increases in automation. (bloomberg.com)
Three states alone — Pennsylvania, Kentucky and West Virginia — produce 52 % of the high - quality thermal and metallurgical coal in the U.S. Coal output in all three of these states has been flat or in decline for many years. (resilience.org)
Subbituminous coal is the predominant rank of coal produced west of the Mississippi River, accounting for 62 percent of the region's total coal output in 1992. (eia.gov)