extends W inland from Balboa Bay, 10 mi. N of Unga I., on Alaska Peninsula, Aleutian Range
Named by Atwood (1911, pl. 2), U.S. Geological Survey (USGS).
Caton Shoal, Crow Reef, Popof Reef, Unga Reef, Unga Spit, Weedy Shoals,
Bays:Balboa Bay, Beaver Bay, Coal Harbor, Humboldt Harbor, Lefthand Bay, Mud Bay, Otter Bay, Zachary Bay,
Capes:Point Aliaksin, Bold Bluff Point, Cape Aliaksin, Cross Cape, Crow Point, Gravel Point, Gull Point, Monolith Point, North Head, Quartz Point, Reef Point, Swedania Point, West Head,
Channels:Cliffs:Flats:Islands:Ballast Island, Basset Island, Gull Island, Gull Island, Range Island, Range Islet, Round Island,
Mountains:Cathedral Peak, Pinnacle Peak, Pyramid Mountain,
Rivers:Streams:Bishop Creek, Coleman Creek, Foster Creek, Johnson Creek, Lawrence Creek, Portage Creek,
Valleys:Buck Valley, Deer Valley, Grass Valley, Lawrence Valley, Portage Valley,
Cities: