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  2. Highland Valley Copper mine - Wikipedia

    en.wikipedia.org/wiki/Highland_Valley_Copper_mine

    Highland Valley Copper was created in mid-1986 when the Highland Valley mining operations of Lornex Mining Corporation Ltd. and Cominco Ltd. were combined into a new single entity, structured as a partnership. The Highmont mill on the south side of the valley was acquired in 1988 when Highmont Mining Company joined the partnership.

  3. Jeffrey Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Jeffrey_Manufacturing_Company

    In 1878, Jeffrey partnered with F.C. Sessions to purchase the patent and other rights to the coal cutting machine from Lechner, and they formed the Lechner Mining Machine Company to produce it. [3] The Lechner machine used a chain drive for the coal cutting heads and was the first practical coal cutter.

  4. List of Copper Country mines - Wikipedia

    en.wikipedia.org/wiki/List_of_Copper_Country_mines

    Chippewa Mining Company Exploration - Ontonagon County; Cherokee mine - Twin Lakes, Houghton County; Chicago and Isle Royale mine - on the northwest shore of Isle Royale National Park; Clark mine - near Copper Harbor, Keweenaw County; Cliff mine - abandoned Clifton, Keweenaw County; operated from 1845 to 1878 Avery shaft

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  6. Cleveland-Cliffs - Wikipedia

    en.wikipedia.org/wiki/Cleveland-Cliffs

    Cleveland-Cliffs manages and operates four iron ore mines in Minnesota and two mines in Michigan, one of which, the Empire Mine, has been indefinitely idled. [3] These mines produce various grades of iron ore pellets, including standard and fluxed, for use in blast furnaces as part of the steelmaking process as well as Direct Reduced (DR) grade pellets for use in Direct Reduced Iron (DRI ...

  7. Central Ohio Coal Company - Wikipedia

    en.wikipedia.org/wiki/Central_Ohio_Coal_Company

    The Central Ohio Coal Company, once a subsidiary of American Electric Power, is now a subsidiary of CONSOL Energy. [1] At one time, they owned and operated Big Muskie in the Cumberland, Ohio area. [2]

  8. Italian Village - Wikipedia

    en.wikipedia.org/wiki/Italian_Village

    The Jeffrey Manufacturing Company, which produced coal mining equipment, was a major employer in the Italian Village area early in the 20th century. Located along North Fourth Street, Jeffrey Manufacturing had more than 3,000 employees. At one point in time, Jeffrey's had the distinction of being the largest single employer in Columbus.

  9. United Mine Workers of America - Wikipedia

    en.wikipedia.org/wiki/United_Mine_Workers_of_America

    This union was distinguished as a labor union for workers mining anthracite coal. The laborers formed the WBA to help improve pay and working conditions. The main reason for the success of this group was the president, John Siney, who sought a way both to increase miners benefits while also helping the operators earn a profit. They chose to ...