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The DeLamar Mine was an open-pit silver and gold mine in Owyhee County in southwest Idaho, which operated from 1977 to 1998. John Guilbert and Charles Park, Jr. have described the DeLamar mine as "the first modern open-pit silver mine."
Blackbird mine was a large cobalt mine in Lemhi County, Idaho, United States. Mining for gold started in 1893, and the mine produced copper and cobalt between 1902 and 1968. [ 1 ] The deposit still holds considerable amounts of copper and cobalt.
Barrick Gold Corporation has one of the largest open-pit gold mines in North America located on its Goldstrike mine property in north eastern Nevada. Other gold mines use underground mining, where the ore is extracted through tunnels or shafts. South Africa has the world's deepest hard rock gold mine up to 3,900 metres (12,800 ft) underground.
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An Eagle-based precious metals dealer built a $28 million depository for gold and silver.
The Argo Gold Mine and Mill is a former gold mining and milling property in Idaho Springs, Colorado, featuring an intact gold mill built at the entrance of the Argo Tunnel. The tunnel was built between 1893 and 1910 to drain the gold mines in Virginia Canyon, Gilpin Gulch, Russell Gulch , Quartz Hill, Nevadaville , and Central City and allow ...
In the late 1800s and early 1900s, Idaho City, Centerville, Placerville, Quartzburg, and Pioneerville were the principal centers of the Idaho gold mining industry. All the towns are connected by roads, and several roads lead to outside points. Idaho City, the county seat, is connected to Boise by a 32 mile long.
The Australian owner of a cobalt mine in Central Idaho plans more extensive study of cobalt at a remote site in the Salmon River Mountains, and the potential for a cobalt refinery, after securing ...