| 21. | Mill powered by water from Alma Coal Pit . | | Rowbottom | 1795 | 1962
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| 22. | Nevertheless, by this time British Coal had closed all but the most economical of coal pits.
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| 23. | Another coal pit in the 1880s was worked on the W . W . Jackson property.
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| 24. | On Friday, seven miners were killed when gas exploded at a small coal pit in Sichuan.
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| 25. | There also were related walkouts by workers at three M . I . M . coal pits.
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| 26. | Squads from the larger group broke off and moved up the hill toward coal pit number three.
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| 27. | They continued to be used in the coal pits of other countries, notably Russia and the Ukraine.
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| 28. | In 1315, coal pits were first recorded, which led to an increase in the number of jobs.
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| 29. | When brown coal pits opened in H�hn in 1746 and four years later in station in 1906-1907.
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| 30. | Davidson said, breathing heavily from the black lung disease he picked up from decades in the coal pits.
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