Berg, H. C., Elliott, R. L., and Koch, R. D., 1988, Geologic map of the Ketchikan and Prince Rupert quadrangles, southeastern Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 1807, 27 p., 1 plate, scale 1:250,000.
Citation Updated: 2010-04-23 23:14:53