The world's leading producer of soda ash on Thursday credited U.S. Sen. Cynthia Lummis for averting India's planned tariffs ...

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 ...

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 ...

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 ...

SWEETWATER COUNTY — 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, ...