Gates, Olcott, Powers, H. A., Wilcox, R. E., and Schafer, J. P., 1971, Geology of the Near Islands, Alaska: in Investigations of Alaskan volcanoes, U.S. Geological Survey Bulletin 1028-U, p. 709-822, 3 sheets, scale 1:63,360.
Citation Updated: 2005-07-28 19:37:16