| 11. | Additionally, the surface mines were safer than the mines deep underground.
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| 12. | Surface mining and some deep mining of coal continues in the immediate area.
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| 13. | She referred to the laws controlling surface mining and clean waters.
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| 14. | Eight of the project's 23 wind turbines sit atop a rehabilitated surface mine.
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| 15. | Starting in the 1960s, coal surface mining contributed to a rapid population growth.
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| 16. | Ponds fill the depressions formed by the hydraulic surface mining technique.
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| 17. | These BWEs were photographed at the Garzweiler surface mine in Germany.
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| 18. | President Jimmy Carter signed the Surface Mining Control and Reclamation Act in 1977.
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| 19. | Surface mining and deep underground mining are the two basic methods of mining.
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| 20. | There is one active surface mining permit in the watershed of Aylesworth Creek.
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