Torthaí cuardaigh - "Coal United States."

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  • 1 - 4 toradh as 4 á dtaispeáint
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  1. 1
    The reserve base of coal for underground mining in the Western United States /

    The reserve base of coal for underground mining in the Western United States / de réir Matson, Thomas K.

    Foilsithe / Cruthaithe 1975
    Ábhair: “…Coal United States.…”
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  2. 2
    Emerging clean coal technologies /

    Emerging clean coal technologies /

    Foilsithe / Cruthaithe 1986
    Ábhair: “…Coal United States Desulphurization Technological innovations.…”
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  3. 3
    The reserve base of U.S. coals by sulfur content : 2. The Western States /

    The reserve base of U.S. coals by sulfur content : 2. The Western States / de réir Hamilton, Patrick A.

    Foilsithe / Cruthaithe 1975
    Ábhair: “…Coal United States Sulphur content.…”
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  4. 4
    The reserve base of U.S. coal by sulfur content (in two parts). 1. The Eastern States /

    The reserve base of U.S. coal by sulfur content (in two parts). 1. The Eastern States / de réir Thomson, Robert D.

    Foilsithe / Cruthaithe 1975
    Ábhair: “…Coal United States Eastern States.…”
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