| 31. | The existing bituminous roof will be removed and replaced.
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| 32. | As the 1920s unfolded, the bituminous and anthracite coal industries quickly collapsed.
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| 33. | The formation consists of bituminous coal fields that are an important economic resource.
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| 34. | It described the field as having two 5, 000'bituminous runways.
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| 35. | The surface is bituminous paving topped with colored sealer.
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| 36. | Leitch Manufacturing Company also made and sold bituminous emulsion.
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| 37. | The usual coal deposits of the area of bituminous or semi-bituminous coal.
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| 38. | The usual coal deposits of the area of bituminous or semi-bituminous coal.
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| 39. | Energy needs are also met by importing bituminous and anthracite coal and crude petroleum.
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| 40. | The communities and the surrounding areas are the former homes of bituminous coal mines.
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