Show lee ice treatment for dam A giant artificial lee ice pack clapped onto a cubic yard earth slide in tho excavation area of the grand gran coulee zam flam stopped tho the slide sad and saved the government over when the dam th the largest in 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 eartes surface as a surgeon sometimes freezes flesh during a treatment they were thus successful in immobilizing the loosened pulverized earth and rendered li harmless the underlying rock as well |