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  2. Jeffrey Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Jeffrey_Manufacturing_Company

    This was followed by a line of electrically-driven coal mining machines. [8] By 1911, the company's plant in Columbus occupied more than 30 acres. The main machine shop was more than 700 feet (210 m) long and 200 feet (61 m) wide. The plant had an internal railway more than 10 miles long, used to transfer material between departments.

  3. Office of Surface Mining Reclamation and Enforcement

    en.wikipedia.org/wiki/Office_of_Surface_Mining...

    OSM Regional Structure Map. The Office of Surface Mining Reclamation and Enforcement (OSMRE) is a branch of the United States Department of the Interior.It is the federal agency entrusted with the implementation and enforcement of the Surface Mining Control and Reclamation Act of 1977 (SMCRA), which attached a per-ton fee to all extracted coal in order to fund an interest-accruing trust to be ...

  4. Surface Mining Control and Reclamation Act of 1977 - Wikipedia

    en.wikipedia.org/wiki/Surface_Mining_Control_and...

    The Surface Mining Control and Reclamation Act of 1977 (SMCRA) is the primary federal law that regulates the environmental effects of coal mining in the United States. SMCRA created two programs: one for regulating active coal mines and a second for reclaiming abandoned mine lands.

  5. 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 ...

  6. Category:Surface mines in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Surface_mines_in...

    Surface Mining Control and Reclamation Act of 1977 This page was last edited on 18 March 2009, at 23:29 (UTC). Text is available under the Creative Commons ...

  7. Surface mining - Wikipedia

    en.wikipedia.org/wiki/Surface_mining

    The Siilinjärvi carbonatite complex, [1] an open-pit mine owned by Yara International, in Siilinjärvi, Finland Coal strip mine in Wyoming. Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the ...

  8. Mine Safety and Health Administration - Wikipedia

    en.wikipedia.org/wiki/Mine_Safety_and_Health...

    The Mine Safety and Health Administration (MSHA) (/ ˈ ɛ m ʃ ə /) is a large agency of the United States Department of Labor which administers the provisions of the Federal Mine Safety and Health Act of 1977 (Mine Act) to enforce compliance with mandatory safety and health standards as a means to eliminate fatal accidents, to reduce the frequency and severity of nonfatal accidents, to ...

  9. 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]

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