formed by Bassett Creek, on E Coast of Attu Island, W of Lake Nicholas, Aleutian Islands.
Named by the U.S. Army during its occupation of the island during World War II; shown on an Army Map Service (AMS) map published in 1948.
Alexai Cove, Austin Cove, Bedard Cove, Blind Cove, Casco Cove, Chichagof Harbor, East Arm Holtz Bay, Hodikof Bay, Holtz Bay, Kelliher Cove, Kelliher Cove, Massacre Bay, Navy Cove, Pyramid Cove, Sarana Bay, Temnac Bay, West Arm Holtz Bay,
Alexai Beach, Austin Beach, Big Mike Beach, Casco Beach, Chichagof Beach, Chirikof Beach, Eckman Beach, Gainor Beach, Hidalgo Beach, Massacre Beach, Red Beach, Sarana Beach, Schuler Beach, Sonom Beach, Temnac Beach, West Beach,
Point Poker, Point Black, Alexai Point, Barbara Point, Buchanan Point, Casco Point, Center Point, Chichagof Point, Chirikof Point, Golstov Point, Goltsov Point, Hodikof Point, Hook Point, Point Hope, Khlebnikof Point, Krasni Point, Krupa Point, Murder Point, Pisa Point, Range Point, Square Point,
Black Mountain, Brewer Peak, Cold Mountain, Cupps Hill, Devils Mountain, East Peak, Faneto Hill, Martinez Mountain, Matthews Mountain, Middle Peak, Newman Peak, Simson Peak, Southwest Peak, Taylor Peak, Terrible Mountain, Vanderlann Peak, Washburn Peak, West Peak, Weston Mountains, Young Hill,
Alexai Pass, Austin Pass, Clevesy Pass, East Channel Massacre Bay, Greenwood Pass, Holtz Sarana Pass, Jackass Pass, Japanese Gap, Jarmin Pass, North Pass, South Pass, Thiel Pass, West Channel Massacre Bay,
Brannon Ridge, Buchanan Ridge, Discher Escarpment, Fishhook Ridge, Fleishman Ridge, Gilbert Ridge, Henderson Ridge, Hopkins Ridge, McNew Hill, Moore Ridge, North Ridge, Owens Ridge, Pierucci Ridge, Prendergat Ridge, Robinson Ridge, Vieth Ridge,
Aboud Creek, Alexai Creek, Angel Creek, Ballentine Creek, Bassett Creek, Darroh Creek, Eckman Creek, Gawanka Brook, George Creek, Hardy Creek, Kaufman Creek, Kingfisher Creek, Lefler Creek, McKenzie Creek, Mirror Creek, O-Donnell Creek, Rocky Point Creek, Rucksock Creek, Scout Creek,