Search results
Results from the WOW.Com Content Network
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 ]
Tourism, education, and logging are now the major industries. The copper industry left many abandoned mines and buildings across the Copper Country. Some of these are now part of the Keweenaw National Historical Park. Some mines, such as the Adventure mine, Quincy Mine, and the Delaware mine, are open as tourist attractions. Many other mining ...
The White Pine Mine, just east of the state park in Ontonagon County, was the last copper-focused mine in Michigan’s Upper Peninsula. It closed in 1997 and Highland Copper plans to repurpose ...
White Pine is an unincorporated community and census-designated place (CDP) in Ontonagon County in the U.S. state of Michigan. The CDP had a population of 474 at the 2010 census. [3] White Pine is located within Carp Lake Township. Much of White Pine was developed in the 1950s as a company town for miners at the White Pine mine. Mining ...
A gold mine could reopen in the Sierra Nevada. Environmentalists fear air pollution, empty wells and toxic waste.
Anyone who sees any kind of depression in the ground or sinkhole opening can call the Bureau of Abandoned Mine Reclamation at 814-472-1800.
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)
Between 2019 and 2023, Sibelco said its Spruce Pine sites produced almost 60% more high-quality quartz. And last year, the company announced it would invest $200 million into the site by 2025 to ...