| 11. | He was the son of a miner in the Somerset coalfield.
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| 12. | Different areas of the coalfield expanded and contracted at different times.
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| 13. | In Umaria Coalfield, the Lower Gondwana rocks are well developed.
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| 14. | Kamptee Coalfield lies north of Kanhan railway station in Nagpur district.
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| 15. | The coal for the plant is sourced from Ib Valley Coalfield.
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| 16. | Cycloidal Vibration Therapy originated in the Canadian coalfields in the 1920s.
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| 17. | He produced a geological map of the south Wales coalfield.
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| 18. | The town's years as a coalfield were unhappy.
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| 19. | The eastern area reaches into parts of the Somerset Coalfield.
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| 20. | The trail links up the coalfield parishes of East Kent.
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