| 11. | The statement also estimates that of Appalachian streams were buried by valley fills from 1985 to 2001.
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| 12. | Valley Fills are pads situated at valley bottoms or levels that can hold everything falling into it.
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| 13. | She said that 19 percent of the coal mined in West Virginia required such valley fill permits.
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| 14. | The rock allows streams to continue flowing under the tons of " valley fill, " he said.
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| 15. | This type of surface is common on lobate debris aprons, concentric crater fill, and lineated valley fill.
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| 16. | Tunnel valleys fill in two main ways.
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| 17. | Understanding lineated valley fill and other manifestations of buried ice will allow future colonists to find sources of water.
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| 18. | Scientists warn the volcanic avalanches could reach populated areas on the central-west coast as valleys fill with volcanic debris.
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| 19. | Scientists warn that the volcanic avalanches could reach populated areas on the central-west coast as valleys fill with volcanic debris.
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| 20. | Blankets of white snow cover the incredible architecture on offer while backdrops of mountain and valleys fill the vast views.
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