Transportation Service Guidance Files, 1971: Communications Navigational Aids. Original File No.: 1617-01
(文書名:USCAR Records, The Public Works Department = 琉球列島米国民政府公益事業局文書) (シリーズ名:Miscellaneous Files Relating to Construction and Maintenance. 1971) (ボックス番号:193 ; フォルダ番号:6)