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 ...

Alice Jones stands outside a mineral processing facility in Trona, California. More than 100 years ago, Trona was designed to house the workforce of a mining company. Its population, which once peaked ...

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

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 ...

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 ...