Arctic Archipelago Disagreement over the passages' status has raised Canadian concerns about environmental enforcement, national security, and general sovereignty. Hans Island, in the Nares Strait east of Ellesmere Island, is a territory currently contested between Canada and Denmark. The archipelago extends some longitudinally and from the mainland to Cape Columbia, the northernmost point on Ellesmere Island. It is bounded on the west by the Beaufort Sea; on the northwest by the Arctic Ocean; on the east by Greenland, Baffin Bay and Davis Strait; and on the south by Hudson Bay and the Canadian mainland. The various islands are separated from each other
Australian north-east coast drainage division Australian north-east coast drainage division The north-east coast drainage division or north-east coast basin is the area of Queensland between the Great Dividing Range and the Pacific Ocean. It lies between Torres Strait and an arbitrary line drawn along the Queensland - New South Wales border. In the north it meets the Gulf of Carpentaria basin to its west while further south lies the Lake Eyre Basin and the Murray-Darling Basin. In the south the Australian south-east coast drainage division continues to the east of the Great Divide. The basin covers 450,705 km² across 46 river catchments. It is the