| 21. | The Cheadle Coalfield was part of the much larger North Staffordshire Coalfield.
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| 22. | The Cheadle Coalfield was part of the much larger North Staffordshire Coalfield.
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| 23. | Bilaspur is also the headquarters of South Eastern Coalfields Limited.
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| 24. | It is also the highest point in Kentucky outside the Eastern Coalfield.
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| 25. | Economically and geographically Bergheim is in the Rhenish lignite coalfield.
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| 26. | The Oaks disaster remains the worst in an English coalfield.
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| 27. | His main tasks involved mapping the coalfields of Wales and the Midlands.
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| 28. | 74 ) and the Coalfields Expressway ( US 121 ).
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| 29. | The Pocahontas Coalfield continued to thrive through two world wars.
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| 30. | After World War II, the JMban coalfield was closed.
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