between Kashevarof and Whale Passages, on NE coast of Prince of Wales I., Alex. Arch.
Named in 1886 by Lieutenant Commander A. S. Snow, U.S. Navy (USN), for Frank Manley Thorn, Superintendent of U.S. Coast and Geodetic Survey (USC&GS) 1885-89.
Beck Island, Blashke Islands, Bluff Island, Bush Rock, Bushy Island, Coffman Island, Deer Rocks, Deichman Rock, East Island, Echo Island, Exchange Island, Fire Island, Kashevarof Islands, Mabel Island, Middle Islands, Rookery Islands, Rose Island, Shrubby Island, Stevenson Island, Thorne Island, Tide Island, The Triplets, West Island,
Lake Bay Creek, Big Creek, Coffman Creek, Dog Creek, Exchange Creek, Galligan Creek, Gutchi Creek, Hatchery Creek, Indian Creek, Lava Creek, Logjam Creek, Mabel Creek, Naukati Creek, Salmon Creek, Sarkar Creek, Squaw Creek, Yatuk Creek,