AUS 311 Calder Shoal To Meatij Miarang 15000 3 North Bay Nurumma Rockhole 3 North Bay Nurumma Rockhole Parakeet Channel Phillips Cove Roberts Island Round Island Sanders Point Scaddan Island Silver Gull Creek South East Point Sweeney Patches Tanner Island Tarrant Island The Canal The Channel The Drain The Gutter The Piccaninnies The Sisters Usborne Island Wangania Island West Bay West Point Woodhouse Point Yampi Sound Yumurryumuh Beach McIntyre Islet Moore Island Tanner Islet Scaddan Islet Scaddon Island Margaret Island Yampi Canal Yampi Passage The Sisters Islands Gibbins Island Koorallum Spring Mulungurry Spring Balili Spring A chart will also show continuous contour lines (at varying intervals depending on the scale of the chart) This official Nautical Chart is produced by the Australian Hydrographic Office For extensive detail on the symbology of nautical charts