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Show Ice Treatment for Dam A giant artificial ice pack clapped onto a 200,000-cubic yard earth slide in the excavation area of the Grand Coulee dam, stopped the slide and saved the government over $100,000. When the dam, the largest in the world, commenced its unanticipated, unanticipat-ed, menacing activity, federal engineers engi-neers met the emergency by brilliant bril-liant scientific measures. Experts of the bureau of reclamation of the department of the interior froze the earth's surface, as a surgeon sometimes some-times freezes flesh during a treatment. treat-ment. They were thus successful in immobilizing the loosened, pulverized pulver-ized earth, and rendered harmless the underlying rock, as well. |