Show ice treatment for dam A giant artificial ice pack clapped onto a cubic yard earth slide in the excavation area of the grand coulee dam stopped the slide and saved the government over when the dam the largest in the world commenced its unanticipated menacing activity federal engineers met the emergency by brilliant scientific measures experts of the bureau of reclamation of the department of the interior froze the earths surface as a surgeon sometimes freezes flesh during a treatment they were thus successful in immobilizing the loosened pulverized earth and rendered harmless the underlying rock as well |