| 41. | Demolitions experts used dynamite to break up a 60-mile ice jam that had made the Lena River rise.
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| 42. | Demolition experts used dynamite to break up a 60-mile ice jam that had made the Lena River rise.
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| 43. | The 449th would also assist the local government by bombing ice jams on the Kuskokwim and Yukon Rivers.
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| 44. | Ice jams can be blown up using explosives, or broken with wrecking balls and removed with heavy construction equipment.
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| 45. | But in 1902 water backed up from an ice jam and flooded it again, washing away the old building.
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| 46. | Villages downstream are still under threat, as emergency workers have not destroyed all the ice jams clogging the river.
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| 47. | There were hurricanes Isabella and Isador, which struck Louisiana in 2002, and ice jams in upstate New York in 1995.
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| 48. | Lewis said towns in the Montpelier area are now working on a coordinated approach to the problem of ice jams.
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| 49. | The streams beds haven't been scoured by any significant floods or ice jams, and the trout should be prospering ."
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| 50. | It is known that a bridge was built here in 1840, and was subsequently destroyed by ice jams and flooding.
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