Show ice lee 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 then when tha the dam the largest in the world commenced its ed menacing activity federal engi met the emergency by brilliant scientific measures I 1 experts of the bureau of reclamation of the department of the interior froze the earth a surface as a surgeon some times freezes flesh during a treat ment they were thus successful in immobilizing the loosened pulver iced earth and rendered harmless the underlying rock as well |