GA SH49 Houtman Abrolhos 1000000 15 1 Channel No 15 1 Channel No Locations within this MapAnchor Point Arkhurst Island Baird Point Bird Island Black Island Groper Point Hayman Channel Hayman Island Ian Point Langford Island One Foot Island Sealark Patch South Channel Stanley Point Stonehaven Bay Stonehaven Anchorage Arkhurst Islet The Narrows Langford Islet Black Islet Cockatoo Point One Foot Islet Bird Islet Six Fathom Bank localities and some administrative boundaries GA topographic maps (many of which are produced in partnership with the Army) are generally older than those maps produced by the State Governments over the same area