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Richter, D. H., Ratte, J. C., Schmoll, H. R., Leeman, W. P., Smith, J. G., and Yehle, L. A., 1989, Geologic map of the Gulkana B-1 quadrangle, south-central Alaska: U.S. Geological Survey Geological Quadrangle Map GQ 1655, 1 p., 1 sheet, scale 1:63,360.
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