ROCK SPRINGS, Wyo. — The FMC Corporation, which annually mines the most trona in the world, is playing it safe with a longwall-mining project that could cause ground subsidence in areas with gas ...

A giant cage elevator lowered miner Kale Pitt and his hard hat from the surface of the sagebrush desert of southwest Wyoming into the underground world of trona mining. “Tiny light at the very bottom ...

KEMMERER — The Bureau of Land Management has issued a record of decision announcing approval of the Dry Creek Trona Mine Project south of Green River in Sweetwater County. Trona is a mineral used to ...

A little known industry that happens to be Wyoming’s biggest export piqued the interest of one mechanic last year. But sudden industry changes threw his family’s future into limbo. James Kincaid ...

The development of a trona mine that could repay the city of Casper $5.5 million depends on the trona market, one expert said. Dennis Kostick, a soda ash analyst with the U.S. Geological Survey said ...