Drawn from a survey: the soundings & naval observations by Lieut: Henry Mowat, commander of His. Majys: armed ship Canceaux P: D'Auvergne, fecit, 1776. N.B. this is surveyed by Samuel Holland, Esqr. Holland, Samuel, 1728-1801. CREATED/PUBLISHED  NOTES Scale ca. 1:53,000. Manuscript, pen-and-ink. Relief shown by hachures. Depths shown by soundings.