Geology of the Delarof and westernmost Andreanof Islands, Aleutian Islands, Alaska
Investigations of Alaskan volcanoes
Geological Survey bulletin ;
Fraser, George D. (George Dewitt), 1920-
Barnett, H. Frank (Henry Frank), 1921-
by George D. Fraser and H. Frank Barnett.
Geology of the Delarof and westernmost Andreanof Islands, Aleutian Islands, Alaska