| 11. | By operating continuously, the ferries maintain an open channel throughout the winter ice season.
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| 12. | In winter ice can form on the falls thick, but water continues to flow underneath.
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| 13. | The outlandishly difficult Himalayan winter ice climb of Kwangde.
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| 14. | In the 19th Century, settlers took advantage of the winter ice to cut these stubs.
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| 15. | In the winter ice was sometimes a problem.
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| 16. | He also has a battery-operated backup system to insure against power outages and winter ice storms.
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| 17. | Also available are fishing, hiking, mountain biking, cross country skiing, and a winter ice skating rink.
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| 18. | I fear winter ice will do the same.
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| 19. | Winter ice thickness can be up to.
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| 20. | Note that the piles all lean south showing effects of winter ice pressure out from the shore.
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