From French surveys to 1939 with additonsto 1951

Compiled form Russian and Japanese Government Charts to 1935
Reproduction of B.A. Chart.
Inset: Okhotsk Road; Ola Anchorage; Ayan Bay.

From a U.S. Naval survey in 1923 and 1924.

From the United States and Russian Govt. Charts to 1947.
Reproduction of B.A. Chart.

Compiled from British and French Government surverys

From a survey by U.S.S. Narragansett in 1873-75

From Netherlands Government surveys between 1917 and 1932.
Inset: Awek Road, Japen I., north coast. Scale 1:20,100.

From German Government Charts to 1912.
Emergency reproduction of B.A. Chart.

From British and Canadian surveys to 1943

From Japanese surveys between 1905 and 1933.
Inset: Rigan Wan (Peijin Bay); Gyotaishin Ko (Odechin Bay); Karuma Ho; Seishin Ko (Chonjin Wan)

From a British surveys in 1891 and 1892

Compiled from Mexican surveys to Aug 1942 (with corrections to Mar. 1943)

Shiraura Hakuchi -- Sakaehama Ko -- Shiritori (Shirutoru) Hakuchi -- Motodomari Hakuchi -- Chichine Hakuchi -- Sakaehama Hakuchi.

Tonnai Hakuchi -- Airo Wan (Mordvinov Bay) -- Minabetsu Hakuchi.
From Japanese surveys in 1909 with additions from sources to 1936.
Authorities Japanese Chart No. 291 U.S. Hydrographic Office Publications. Miscellaneous data

From Japanese survey in 1909 with additions to 1932

From Japanese and U.S.S.R. charts to 1943.
Inset: Mouth of Ul'ya; Zaliv Ayan; Zaliv Feodora.

From British srveys between 1886 and 1913 with additios to 1932

From Netherlands Government surveys between 1917 and 1932.
Nautical chart of Schouten Islands to Humboldt (Yos Sudarso) Bay, Indonesia.

From Netherlands Government charts to 1932

From a Chinese survey in 1901

From British srveys between 1886 and 1922 with corrections to 1945