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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]
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 companies in Michigan often built and leased housing to workers so that miners could live adjacent to mine operations.
The company applied to government agencies to continue mining by in-situ leaching, using sulfuric acid to recover an additional 900 million pounds (410,000 metric tons) of copper by SX-EW. The Michigan Department of Environmental Quality approved the permit in May 1996, and White Pine installed a pilot in-situ leaching project. [13]
Sibelco’s mines are north of downtown in an area called the Spruce Pine Mining District. From above, they look like giant white sandy beaches. The area is set back from the local North Toe River ...
The Mining Gazette was founded in Ontonagon, Michigan in July 1858 by George Emerson. In 1860, the paper was purchased by James R. Devereau and moved to Houghton, where it was published weekly as The Portage Lake Mining Gazette. The paper began daily publication on 14 September 1899. [3]
The Sibelco mine in North Carolina is one of the most crucial sites to the global production of semiconductors.
Throughout much of the 20th century, miners around Spruce Pine were more interested in the land’s mica and feldspar than its quartz. In fact, Glover said companies used to throw the latter away.
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.