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  2. Coal mining - Wikipedia

    en.wikipedia.org/wiki/Coal_mining

    Remote-controlled continuous miners are used to work in a variety of difficult seams and conditions, and robotic versions controlled by computers are becoming increasingly common. Continuous mining is a misnomer, as room and pillar coal mining is very cyclical. In the US, one can generally cut up to around 20 feet (6 meters).

  3. History of coal miners - Wikipedia

    en.wikipedia.org/wiki/History_of_coal_miners

    Coal miner in Wheelwright, Kentucky, 1946. People have worked as coal miners for centuries, but they became increasingly important during the Industrial Revolution when coal was burnt on a large scale to fuel stationary and locomotive engines and heat buildings. Owing to coal's strategic role as a primary fuel, coal miners have figured strongly ...

  4. Lithgow State Mine Heritage Park & Railway - Wikipedia

    en.wikipedia.org/wiki/Lithgow_State_Mine_Heritage...

    The mining museum contains Australia's most comprehensive collection of coalmining artefacts, including coal cutters, coal loaders, continuous miners and underground transports. A recently developed multimedia exhibit titled "Fire in the Mine" explores the working lives of coalminers in the mid Twentieth Century and the horrific consequences of ...

  5. Coal mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Coal_mining_in_the_United...

    Average annual number of coal miners, 1985 to 2015 (Data from St. Louis Federal Reserve Board) Average annual number of employed coal miners in the United States, 1890–2014. At the end of July 2022, the coal industry employed approximately 38,400 miners. [1] US employment in coal mining peaked in 1923, when there were 863,000 coal miners. [46]

  6. Minecart - Wikipedia

    en.wikipedia.org/wiki/Minecart

    Minecarts are seldom used in modern operations, having largely been superseded in underground operations (especially coal mines) by more efficient belt conveyor systems that allow machines such as longwall shearers and continuous miners to operate at their full capacity, and above ground by large dumpers.

  7. Joy Global - Wikipedia

    en.wikipedia.org/wiki/Joy_Global

    Joy Mining Machinery (Joy) was the world's largest producer of high productivity underground mining machinery for the extraction of coal and other bedded materials including trona and salt. Its products included: Continuous miners – electric, self-propelled digging machines that cut material using carbide-tipped bits on a horizontal rotating ...

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  9. Underground soft-rock mining - Wikipedia

    en.wikipedia.org/wiki/Underground_soft-rock_mining

    Shortwall mining – A coal mining method that accounts for less than 1% of deep coal production, shortwall involves the use of a continuous mining machine with moveable roof supports, similar to longwall. The continuous miner shears coal panels 150–200 feet wide and more than a half-mile long, depending on other things like the strata of the ...