Charts—. Los, Isles do [or] Idolos, west coast of Africa, from British and French surveys between 1826 and 1905, scale naut. m. = 1.32 in.; Konakri Road, from French survey, 1895, [and] French surveys, 1850 & 1891-3, scale naut. m. = 4. 13 in.; chart 2288.