| 1. | Most open cast mines in the United States extract bituminous coal.
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| 2. | Bituminous ( or " soft coal " ) mining came later.
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| 3. | The bypass was resurfaced with bituminous concrete in 1954 and 1955.
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| 4. | Coal grades from lignite through to bituminous may be successfully gasified.
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| 5. | However, sometimes the case was made from bituminous coal waste.
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| 6. | Coal includes anthracite, bituminous coal, lignite, and peat.
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| 7. | The floor is covered with a black, bituminous sheet material.
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| 8. | Bituminous coal is mined in Nordrhein-Westfalen and Saarland.
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| 9. | The exploitation of bituminous deposits and seeps dates back to Paleolithic times.
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| 10. | Gas works would typically use oily bituminous coals as feedstock.
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