Along the N coast of Amchitka Island on the W side of Kirilof Bay, Aleutian Islands.
Named for the trianglulation station on the island.
Clam Bay, Constantine Harbor, Cyril Cove, Duck Cove, Duk Cove, Kirilof Bay, Makarius Bay, North Bight, Pluton Cove, Sand Beach Cove, South Bight, Square Bay, Stone Beach Cove, Whale Cove,
Capes:Banjo Point, Clam Point, Constantine Point, Crown Reefer Point, Grampus Point, Ivakin Point, Kirilof Point, Omega Point, Petrel Point, Pillow Point, Rifle Range Point, Saint Makarius Point, Sea Otter Point,
Islands:Bat Island, Mex Island, Tanasux,
Lakes:Emerald Lake, Hanitxux, Jones Lake, Long Lake, Silver Salmon Lake,
Streams:Bridge Creek, Jones Creek, Teal Creek, Ultra Creek, White Alice Creek,