(a) A line drawn from the southernmost extremity of Kenai Peninsula at longitude 15144.0 W. to East Amatuli Island Light; thence to the northwesternmost extremity of Shuyak Island at Party Cape; thence to the easternmost extremity of Cape Douglas.
(b) A line drawn from the southernmost extremity of Pillar Cape on Afognak Island to Spruce Cape Light; thence to the easternmost extremity of Long Island; thence to the northeasternmost extremity of Cape Chiniak.
(c) A line drawn from Cape Nunilak at latitude 5809.7 N. to the northernmost extremity of Raspberry Island. A line drawn from the westernmost extremity of Raspberry Cape to the northernmost extremity of Miners Point.