Simons, F.S., and Mathewson, D.E., 1955, Geology of Great Sitkin Island, Alaska: U.S. Geological Survey Bulletin 1028-B, p. 21-43, 1 sheet, scale 1:50,000.
Report Information
Maps & Other Oversized SheetsBedrock; Bedrock Geology; Generalized; Geology; Surficial; Volcanic; Volcanic Ash; Volcanoes; Volcanology