at E end of Umnak I., at Fort Glenn 0.6 mi. SW of Pustoi I., Aleutian Islands.
Name derived from Pustoi I., and reported in 1912 by U.S. Army Corps
Boulder Bay, Camp Bay, Deer Bay, No Name Cove, North Pustoi Bay, Otter Bight, South Pustoi Bay,
Capes:Antler Point, Cape Idak, Cape Izigan, Cape Tanak, Deer Point, Otter Point, Paso Point, Pustoi Point, Ranchers Point, Tiderip Point,
Channels:Hills:Islands:Black Rock, Emerald Island, Polivnoi Rock, Pustoi Island, Ship Rock,
Mountains:Mount Idak, Lone Peak, Tulik Volcano, Mount Tum Tum,
Ridges:East Arcuate Ridge, Magazine Ridge,
Rivers:Streams:Antler Creek, Camp Creek, Crater Creek, Idak Creek, Kadi Creek, Kansas Creek, Marsh Creek, Missouri Creek, Reindeer Creek, Spring Creek, Teal Creek, Thirty-three Creek, Unga Creek,
Valleys:Cities: