Simplot Rock Springs Phosphate Plant, Wyoming

JR Simplot operates this facility outside of Rock Springs, Wyoming, where the company makes monoammonium phosphate fertilizer, as well as phosphoric acid. The Rock Springs plant was built by Chevron in the mid-1980s, and was taken over by Simplot in 2003. The company recently built a $300 million ammonia plant at the site, which supplies the company’s largest phosphate facility, the Don Plant in Pocatello, with ammonia too.