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The White Pine mine produced copper until 1995. In its early days the company was known for its use of advanced mining and transport systems (not all of which worked very well) including the Dashaveyor, a high speed transportation system, and what was at the time the world's largest hard rock tunneling machine to be sold to a mining company. [4]
In 1955 the Copper Range Company began large-scale mining at the White Pine mine, near the old Nonesuch mine. The deposit is a stratiform deposit in the lower 15 m of the Proterozoic Nonesuch Shale and the upper 2 m of the underlying Copper Harbor Conglomerate.
White Pine is located within Carp Lake Township east of the Porcupine Mountains Wilderness State Park. The Copper Range Company operated the White Pine mine in White Pine from 1955 to 1995. [4] White Pine is served by the 49971 ZIP Code, which is the highest numeric ZIP Code in the state of Michigan. [8]
The White Pine Mine, just east of the state park in Ontonagon County, was the last copper-focused mine in Michigan’s Upper Peninsula. ... Ojibwe tribes have a longstanding history with the creek ...
The area is so named as copper mining was prevalent there from 1845 until the late 1960s, with one mine (the White Pine mine) continuing through 1995. The region includes Copper Island, Copper Harbor and Isle Royale. In its heyday in the latter half of the 19th century and the early 20th century, the area was the world's greatest producer of ...
1869 geological map of mining areas in White Pine County, Nevada, showing Treasure Hill and nearby towns, including Hamilton, Treasure City, and Shermantown. Map is oriented with North to the right. Treasure Hill is an east-jutting spur of the White Pine Range of White Pine County in the east central region of the U.S. state of Nevada.
White Pine mine - White Pine, Ontonagon County; the last mine to close in the Copper Country, in 1995; Whittlesey mine - Isle Royale, Keweenaw County; Winona mine - Winona, Houghton County; Winthrop mine - Central; Wolverine Mine - Wolverine; Wyandot mine - Twin Lakes, Houghton County; Wyoming mine - Wyoming (Helltown)
The Calumet and Hecla mines closed in 1943, after several interventions by the National Labor Relations Board. [5] Calumet & Hecla closed its mines in 1969 after failing to reach an agreement with striking employees. That left the White Pine mine as the only remaining Copper Country mine in production; the White Pine mine closed in 1995.