Great Britain, Hydrographic Office., Moore, W. Usborne (William Usborne), 1849-, Gibson, J. Campbell (John Campbell), 1849-1919, Ashmore, William, 1824-1909, Cousland, Philip Brunelleschi, 1861-1930, Wharton, W. J. L. (William James Lloyd), 1843-1905, Collinson, Richard, Sir, 1811-1883, and United States, Hydrographic Office. From various Admiralty surveys between 1945 and 1925; adjusted to the triangulation by Commander W.U. Moore, H.M. Surveying Ship "Rambler," 1886-7 ... Admiralty Hydrographic Office,.