CASPER, Wyo. (AP) — Wyoming coal mining lost 153 jobs last year with just over 5,530 workers employed at the close of 2018 at the state's 16 mines. Coal miner killed in accident at West ia mine. March 8, 2019. LEWISBURG, W.Va. (AP) — West ia officials say a 38-year-old coal miner has died in an accident.