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Coal resources of the Trinidad coal field in Huerfano and Las Animas Counties, Colorado
Johnson, Ross B. - 1961
Persistent link: https://www.econbiz.de/10000315720
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Coal
Harris, D. J. - 1980
Persistent link: https://www.econbiz.de/10000094655
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Geology of coal
Ross, Charles Alexander; Ross, June R.P. - 1984
Persistent link: https://www.econbiz.de/10000008508
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Coal : the metamorphosis of an industry
Martin-Amouroux, Jean-Marie - In: International journal of energy sector management : IJESM 2 (2008) 2, pp. 162-180
Persistent link: https://www.econbiz.de/10003934587
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Report on the coal industry of the United States, 1901
1903
Persistent link: https://www.econbiz.de/10010356623
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Report on the coal industry of the United States, 1903
1905
Persistent link: https://www.econbiz.de/10010372328
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State aid and competitiveness of the hard coal mining industry in the European Union
Jonek-Kowalska, Izabela - In: Equilibrium : quarterly journal of economics and … 10 (2015) 1, pp. 69-87
Persistent link: https://www.econbiz.de/10011498727
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Alaskan coal problems
Fisher, Walter Lowrie - 1911
Persistent link: https://www.econbiz.de/10002154876
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Coal
Grenfell, D. R. - 1947
Persistent link: https://www.econbiz.de/10002272998
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Coal
Broderick, Grace N. (contributor) - United States / Bureau of Mines - 1969
Persistent link: https://www.econbiz.de/10003251794