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With the financial backing of Noble Getchell and George Wingfield, the Getchell Mine, Inc. was organized in 1936 and the mine was brought into production in 1938. [2] [3] The mining operation currently consists of two underground mines, Getchell and Turquoise Ridge, operated as the Turquoise Ridge Joint Venture.
This is a partial list of current and defunct mines in Ashland. Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper
Unusually complete, it retains virtually all of its historic components, including an important placer site, a camp, four discrete lode mines, a mill, and an associated transportation network. [ 2 ] The Golconda Mining Company site, which contains a campsite, an elaborate ditch, and extensive piles of hand-stacked cobble, provides an example of ...
Turquoise Ridge improved versus Q2, with a stronger underground mining performance more than offsetting a planned shutdown of the Sage autoclave in Q3. At Kibali, underground development during Q3 opened up access to more high-grade underground headings, which are expected to be further supplemented by higher open pit grades and volumes to ...
The Bureau of Land Management released more than 2,000 pages of documents in a draft environmental impact statement last week for the Rhyolite Ridge mine. Lithium is a metal key to the manufacture ...
The mine would also create a 66 acre quarry — a deep open pit characteristic of mines and where the lithium would be extracted — and directly disturb about 191 acres of critical habitat.
Rhode Island mine - Osceola, Houghton County; Ridge mine - near Mass City, Ontonagon County; Ripley Exploration Prospect - Ripley, Houghton County; Robbins Mine - Phoenix, Keweenaw County or Vaughnsville, Keweenaw County (sources disagree) Rockland mine - Rockland, Ontonagon Count; opened in 1847; Saginaw mine - Isle Royale, Keweenaw County
By 1963, construction of future Interstate 80 reached the Golconda area, bypassing the original US 40 route. The two miles (3.2 km) of US 40 between Golconda and the SR 18 junction was added onto SR 18 to connect the state highway to the new federal route. [7] State Route 18 remained unchanged for several years after gaining mileage at its west ...