Correspondence relating to nominees for and recipients of the Enrico Fermi Award, 1954-1974 (5 cubic ft.); semiannual project histories of the Iowa Ordnance Plant and Iowa Army Ammunition Plant, 1954-1971 (1 cubic ft.); miscellaneous records relating to personal security, 1943-1975 (2 cubic ft.); minutes of meetings, 1952-1961, and indexes to the minutes, 1946-1971 (5 cubic ft.); and records relating to fallout monitoring studies, 1946-1973 (22 cubic ft.).