Davis Strait estimated that at least 13% of the world's undiscovered oil deposits and 30% of the world's undiscovered gas pockets are located in the Arctic, with the seas around Greenland potentially holding large amounts of natural gas and lesser amounts of crude oil and natural gas liquids. This has led Greenland's minister and provincial council to offer a large number of off-shore concessions to potential hydrocarbon (oil and gas) extraction. The largest concessions areas are located in seas west of Greenland, primarily the Davis Strait and Baffin Bay, but with several smaller concessions in the Greenland Sea in the east also.
Haro Strait Juan Islands dispute (Pig War) over the other main candidate, Rosario Strait, which lies on the east side of the San Juans. According to the USGS, Haro Strait's southern boundary with the Strait of Juan de Fuca is formed by a line between Discovery Island, just east of Victoria, to Cattle Point at the southern tip of San Juan Island. Haro Strait's northern boundary is defined by a line running from the north tip of the Saanich Peninsula through Piers Island, Portland Island, and Moresby Island, then from Point Fairfax on Moresby Island to Turn Point on Stuart Island, then