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

From Japanese and Russian surveys to 1921.

From British surveys to 1828.

From Russian and Japanese charts to 1921.

From Japanese surveys between 1910 and 1912.

From a U.S.S.R. Government survey in 1896 with additions to 1935.

From a U.S.S.R. Government survey in 1911.

From surveys by Commander William Chimmo and the Officers of H.M. Surveying Ship Nassau. 1872; Commander the Hon. F.C.P. Vereker and the Officers of H.M. Surveying Ship Magpie. 1883; Commander A. Mostyn Field and the Officers of H.M. Surveying Ship Egeria: 1892; and from the United States Government Charts to 1930.

Surveyed by Lieutenants C.G.Sinclair, C.W.Shearme, T.H.H.Hand, W.C.Taylor, and D.H.Gibsone, Sub Lieutenants E.J.Headlam and A.G.Bingham, R.I.M, and Mr.A.P.Peyton, under the direction of
COMMANDER T.H.HEMING, R.N. in charge of the Marine Survey of India, 1898-99. Moulmein River from Amherst to Moulmein re-sounded by the Port-Authorities, Moulmein 1946. with additions and corrections to 1948. Underlined figures on the drying banks and rocks express the heights in feet above the datum to which the soundings are reduced. All other heights are expressed in feet above High Water Springs. Bearings refer to the True Compass and are given from Seaward (thus: - 126°.etc.) For abbreviations see Admiralty Chart No. 5011.

From surveys by the U.S.S.Portsmouth in 1874.