[1] Geology of the Delarof and westernmost Andreanof Islands, Aleutian Islands, Alaska, 1959

Fraser, G. D., and Barnett, H. F., 1959, Geology of the Delarof and westernmost Andreanof Islands, Aleutian Islands, Alaska: in Investigations of Alaskan volcanoes, U.S. Geological Survey Bulletin 1028-I, p. 211-248, 4 sheets, scale 3 at 1:25,000, and 1 at 1:250,000.