TY - BOOK ED - United States. TI - Report on apprentice training program of the Tennessee Valley Authority AV - HD4885.U5 A5 1947a U1 - 331.86 PY - 1947/// CY - Washington PB - Apprentice-Training Service KW - Tennessee Valley Authority KW - Apprentices KW - United States N1 - Cover title; Map on p. [4] of cover ER -