A California startup has developed the specialized resin beads needed to extract lithium from brine with ion exchange and ...

It’s the toxic legacy of southwestern Montana’s mining days, when copper ore processed in Anaconda was used to electrify the United States. Opportunity resident and former smelter worker Serge ...

The rise and fall of a controversial company. This episode documents the rise and the fall of a company credited with creating the state's economy but criticized for the environmental toll it took ...

Solutions will be implemented to solve long-standing environmental issues associated with waste dumps left behind at the Anaconda copper mine site after the company of the same name shut down ...

The contamination, which in some isolated lots is more than 10 times the U.S. Environmental Protection Agency’s (EPA) standard for residential areas, is a legacy of the Anaconda Copper Mining ...

Despite historic drilling by major miners like Phelps Dodge and Anaconda, who calculated over 6.4 billion pounds of contained copper potential on Anaconda lands alone (not NI 43-101 compliant ...

Fueled by demand after World War II, Anaconda produced 1.7 billion pounds of copper from 1952 to 1978 at the mine in the Mason Valley, an irrigated agricultural oasis in the area’s otherwise ...

I am among the many journalists, tour guides and travel book authors guilty of describing the Washington Monument as “the world’s tallest free-standing masonry structure.” At 555 feet 5 ...

Montana Power, which Mr. Ryan formed in 1912, owns 95% of the electric light and power resources of Montana; it sells current to Mr. Ryan’s greater company, the Anaconda Copper Mining Co. (he is ...