1. North Island. North Island, east and west coasts, New Zealand, Manukan Harbor to Maunganui Bluff and Tutukaka Harbor to Mayor Island including Hauraki Gulf, from British surveys between 1904 and 1939; no. 3338. Natural scale 1:293,940 at lat. 36°30′. Bookmark Corporate/Agency Authors: Hydrographic Office and Naval Operations Office Publisher: Hydrographic Office Date: published Apr. 1924, 2d edition, Mar. 1947 SuDoc number: M 6.18:3338