Detterman, R. L., Miller, T. P., Yount, M. E., and Wilson, F. H., 1981, Geologic map of the Chignik and Sutwik Island quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 1229, unpaged, 1 sheet, scale 1:250,000.
Citation Updated: 2005-06-10 00:04:10