Issued 1947 as Publication 202 of Suirobu; 1948-1949 as Publication 791 of Kaijō Hoanchō Suirobu.
Issued 1947 as Publication 202 of 水路部; 1948-1949 as Publication 791 of 海上保安庁水路部.
Supersedes Kaishō ihō Issued by Kaigunshō Suirobu.
Supersedes 海象彙報 Issued by 海軍省水路部.
Title varies: 1947, Kaishō ihō.
Title varies: 1947, 海象彙報.
Issued 1947 by Suirobu; 1948-1949 by Kaijō Hoanchō Suirobu under a variant name: Suirokyoku.
Issued 1947 by 水路部; 1948-1949 by 海上保安庁水路部 under a variant name: 水路局.
Some issued have English summaries.