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 ...

CANONSBURG - Core Natural Resources, Inc. (NYSE:CNR) has resumed longwall operations at its Leer South metallurgical mine in West Virginia, the company announced Thursday. The stock, currently trading ...

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 ...

After being sealed in January due to a fire, officials have announced that the Leer South Mine in Barbour County has resumed ...

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 ...

Soda ash giant WE Soda has cut 48 jobs from its southwest Wyoming trona operations, including 32 salaried management positions and 16 contract positions, the company said Monday. The move follows the ...