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  2. List of countries by coal reserves - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_coal...

    The reserve list specifies different types of coal and includes countries with at least 0.1% share of the estimated world's proven reserves of coal. All data are taken from the German Federal Institute for Geosciences and Natural Resources (BGR) via BP; all numbers are in million tonnes. [1]

  3. Batubara Regency - Wikipedia

    en.wikipedia.org/wiki/Batubara_Regency

    Batubara Regency is a regency on North Sumatra's eastern shoreline, with the town of Limapuluh as the seat of its administration. It was carved out from the seven most westerly coastal districts of Asahan Regency with effect from 15 June 2007.

  4. Coal - Wikipedia

    en.wikipedia.org/wiki/Coal

    Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. [1]

  5. Negara Daha - Wikipedia

    en.wikipedia.org/wiki/Negara_Daha

    Negara Daha was a Hindu kingdom successor of Negara Dipa that appears in the Hikayat Banjar. It was located in what is now the Regency of Hulu Sungai Selatan , Province of South Kalimantan , Republic of Indonesia .

  6. History of coal mining in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_coal_mining_in...

    US Annual coal production by coal rank. Trends in surface versus underground mining of coal in the US Bowman Company coal mine, Indiana County, Pennsylvania, 1904.. The history of coal mining in the United States starts with the first commercial use in 1701, within the Manakin-Sabot area of Richmond, Virginia. [1]

  7. Ombilin Coal Mine - Wikipedia

    en.wikipedia.org/wiki/Ombilin_Coal_Mine

    The Ombilin Coal Mine (formerly PT Tambang Batubara Ombilin (TBO)) is a coal mine near Sawahlunto, West Sumatra, Indonesia. It is located in a narrow valley along the Bukit Barisan mountains, among the Polan, Pari, and Mato hills, approximately 70 kilometres (43 mi) northeast of Padang .

  8. 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 ...

  9. Coal-fired power station - Wikipedia

    en.wikipedia.org/wiki/Coal-fired_power_station

    Coal is delivered by highway truck, rail, barge, collier ship or coal slurry pipeline.Generating stations are sometimes built next to a mine; especially one mining coal, such as lignite, which is not valuable enough to transport long-distance; so may receive coal by conveyor belt or massive diesel-electric-drive trucks.

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