Overview
The Green River area sits on the world's largest deposit of trona, a mineral used to make soda ash for glass and other products.
History
Trona was discovered here in the 1930s, and large-scale mining began in the 1940s.
Today
The trona mines are the area's largest employers, with mine and plant security needs.
Compiled October 2026. History is summarized for general interest; check primary sources for research. This landmark is local context, not an employer or job listing.