Category:Formation of coal
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Media in category "Formation of coal"
The following 12 files are in this category, out of 12 total.
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CoalTypes ES.svg 1,000 × 600; 14 KB
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CoalTypes.svg 1,000 × 600; 14 KB
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Formation gisement houiller de Ronchamp.svg 1,098 × 709; 39 KB
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Formation gisement houiller et salifère Keuper FC.svg 1,098 × 709; 58 KB
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Formation of coal.png 1,572 × 822; 384 KB
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Houille grisou ok.jpg 1,277 × 718; 223 KB
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Houille grisou.jpg 1,277 × 718; 222 KB
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Houillification.jpg 1,366 × 768; 186 KB
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HouillificationProcessus.jpg 2,000 × 1,500; 392 KB
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Kohleatlas - Entstehungszeiten der Kohlevorkommen.jpg 1,024 × 569; 83 KB
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Steps in the natural formation of coal.jpg 3,816 × 2,392; 2.78 MB