The first open pit mine at Bisbee was the Sacramento pit comprising 35 acres. It began as a shaft in 1911 and six years later developed as an open pit. Extensive geological research had determined ...

The potential for open-pit mining had been one of the main concerns expressed by neighbors, and Mitchell’s repeated refusal to offer any hint about what his exploration aimed to find stoked ...

This advancement served as a prerequisite for the open-pit mining ... later expanding the pit with the stripping of part of Arkansas Mountain, the site of the former Cardigan mining camp.

A Bozeman man who has struggled to gain permits to mine more than 1,000 acres in the Little Rocky Mountains of north-central Montana is offering to sell his acreage for $68 million. The proposed ...

The Bull Mountain mine south of Roundup now employs about 260 workers. About two thirds of them live in Yellowstone County. Phipps said the mine is facing potential closure after a federal judge ...

Invest in the best copper stocks and the rest of the stock market with Interactive Brokers. Considered a “native metal” due to its natural occurrence in nature as a usable metal, copper has ...

This Memorial Day, Marlboro is mourning the loss of Richard Henry Hamilton, a former prisoner of war turned community cornerstone who died recently at age 102. The diner’s owner, who has been at ...

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