Section 5 AAC 28.305 - Description of Cook Inlet Area districts(a) Cook Inlet District: all waters of Alaska in the Cook Inlet Area north of a line from Cape Douglas (58º 51.10' N. lat.) to Point Adam (59º 15.27' N. lat.).(b) North Gulf District: all waters of Alaska in the Cook Inlet Area north of Cape Douglas (58º 51.10' N. lat.) and west of the longitude of Cape Fairfield (148º 50.25' W. long.), excluding the Cook Inlet District.Eff. 4/4/97, Register 142; am 3/11/2001, Register 157