Description
Island chain In the Aleutian Islands between the Islands of Four Mountains to the E and the Rat Islands, to the W and extending from Amukta Pass W about 310 mi to Amchitka Pass; they include Seguam, Amlia, Atka, Great Sitkin, Little Tanaga, Umak, Igitkin, Chugul, Tagalak, Kagalaska, Adak, Kanaga, Tanaga, Gareloi, Amatignak, Ulak, Unalga, Kavalga, Ogliuga and other smaller islands.
History
First explored by Russians Andreian Tolstyk, Peter Vasiutkin, and Maxim Lazaref in 1761. The merchant Tolstyk owned the expedition vessel Andreian and Natalia, named after himself and his wife.