Map showing distribution, composition, and age of Late Cenozoic volcanic centers in Alaska, 1986
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 Geologic map of the Marshall quadrangle, western Alaska, 1971
Hoare, J. M., and Condon, W. H., 1971, Geologic map of the Marshall quadrangle, western Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 0668, unpaged, 1 sheet, scale 1:250,000.