Federal officials have approved two open-pit phosphate mines in East Idaho that include environmental protections intended to prevent the type of pollution caused by past phosphate mining in the area.

Phosphate ore is dug up and transported July 16, 2009, from Monsanto Co.’s South Rasmussen Mine site near Soda Springs, Idaho. Two federal agencies have approved a 2.4-mile-long open pit ...

The phosphate ore that’s currently used to make Roundup is mined at the Blackfoot Bridge Mine near Soda Springs, in southeastern Idaho’s Caribou County, on public land administered by the BLM. That ...

Data from a statewide mining report shows there are about 8,800 abandoned mines across Idaho. That could still have impacts on the environment and human health.