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