| 11. | Wildcat strikes in the Appalachian coal fields hindered producers'ability to deliver to buyers.
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| 12. | The disaster assisted unionization efforts in the West Virginia coal fields.
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| 13. | The watershed of Nanticoke Creek is mostly in the Northern Anthracite Coal Field.
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| 14. | I'm try to create articles on labour unions in the Singareni coal fields.
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| 15. | That railway had been purchased from its foreign ownersprincipally the Taiwanese coal fields.
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| 16. | The river also flows through a portion of the Northern Anthracite Coal Field.
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| 17. | The Bowen Basin is Queensland's largest and most productive coal field.
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| 18. | The formation consists of bituminous coal fields that are an important economic resource.
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| 19. | The coal fields are located in the center of the community.
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| 20. | Although initially poor, coal fields found in the 1880s proved prosperous.
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