Charts. Calabar River, Bight of Biafra, southern Nigeria, Africa, west coast, from British surveys between 1903 and 1930; with inset, Duketown Anchorage, from British surveys in 1903 and 1930; chart 2293. Scale naut. m.=1.2 in., natural scale 1:60,000.
Publication Title:
Calabar River, Bight of Biafra, southern Nigeria, Africa, west coast, from British surveys between 1903 and 1930; with inset, Duketown Anchorage, from British surveys in 1903 and 1930; chart 2293. Scale naut. m.=1.2 in., natural scale 1:60,000.
Display Title:
Charts. Calabar River, Bight of Biafra, southern Nigeria, Africa, west coast, from British surveys between 1903 and 1930; with inset, Duketown Anchorage, from British surveys in 1903 and 1930; chart 2293. Scale naut. m.=1.2 in., natural scale 1:60,000.
Corporate Agency Authors:
Hydrographic Office, Navigation Bureau, and Navy Department