Luedke, R. G., and Smith, R. L., 1986, Map showing distribution, composition, and age of Late Cenozoic volcanic centers in Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 1091-F, unpaged, 3 sheets, scale 1:1,000,000. ADGGS website with links to map PDFs
Turner, D. L., Forbes, R. B., Albanese, Mary, Macbeth, Joyce, Lockhart, A. B., and Seed, S. M., 1980, Geothermal energy resources of Alaska: University of Alaska Fairbanks Geophysical Institute Report UAG-R 279, 19 p., 3 sheets, scale 1 at 1:2,500,000.