extend 1 mi. along NE coast of Duke I., Alex. Arch.
Name reported byU.S. Forest Service (USFS)as Duck Island; published in 1943 by US@C&GS as Duck Islands.
Bostwick Reef, Hog Rocks, Julius Reef, Tamgas Reef, Wallace Reef, White Reef,
Bays:Camp Cove, Cascade Inlet, Coho Cove, Crab Bay, Customhouse Cove, Dog Bay, Hall Cove, Judd Harbor, Kelp Island Anchorage, Kwain Bay, Mary I Anchorage, Morse Cove, Niquette Harbor, Pond Bay, Ray Anchorage, Reef Harbor, Ryus Bay, Sykes Cove,
Capes:Point Arucenas, Point Alava, Annette Point, Cape Northumberland, Cape Northumberland, Duke Point, Edge Point, Flag Point, Form Point, Giant Point, Grave Point, Middy Point, Point Sykes, Tent Point, Point Winslow,
Channels:Cat Passage, Danger Passage, Felice Strait, Revillagigedo Channel,
Dams:Hills:Islands:Annette Island, Bird Island, Black Island, Black Rock, Cat Island, Danger Island, Dog Island, Double Islands, Drug Island, Duck Islands, Duke Island, East Island, Emmet Island, Fish Islands, Fripo Island, Goose Tongue Island, Ham Island, Helen Island, Indian Rock, Kelp Island, Lane Island, Lewis Island, Little Rock, Mary Island, Roy Island, Ruth Island, Sister Islands, Slate Islands, Snail Rock, Snipe Island, Twin Islands, Vancouver Island, Village Island, Walker Island, Whale Rock, White Rock, Yellow Rocks,
Lakes:Cascade Lakes, Crater Lake, Hassler Lake, Hussler Lake, Kwain Lake, Orchard Lake, Purple Lake,
Mountains:Blunt Mountain, Dubuque Mountain, Mount Lazaro, Middle Mountain, Narrows Mountain, Tamgas Mountain,
Ridges:Streams: