Ewert, J.W., Diefenbach, A.K., and Ramsey, D.W., 2018, 2018 update to the U.S. Geological Survey national volcanic threat assessment: U.S. Geological Survey Scientific Investigations Report 2018-5140, 40 p., https://doi.org/10.3133/ sir20185140.
download from USGSCameron, C.E., and Nye, C.J., 2014, Preliminary database of Quaternary vents in Alaska: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication 153, 11 p., doi:10.14509/27357 .
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USGS website with links to PDF and spreadsheets
Ewert, John, 2007, System for ranking relative threats of U.S. volcanoes: Natural Hazards Review, v. 8, n. 4, p. 112-124.
Siebert, L., and Simkin, T., 2002-, Volcanoes of the world: an illustrated catalog of Holocene volcanoes and their eruptions: Smithsonian Institution, Global Volcanism Program Digital Information Series GVP-3, http://volcano.si.edu/search_volcano.cfm, unpaged internet resource.
websiteCameron, C. E., Triplehorn, J. H., and Robar, C. L., 2003, Bibliography of information on Alaska volcanoes: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication MP 131, 1 CD-ROM.

Nye, C. J., Queen, Katherine, and McCarthy, A. M., 1998, Volcanoes of Alaska: Alaska Division of Geological & Geophysical Surveys Information Circular IC 0038, unpaged, 1 sheet, scale 1:4,000,000, available at http://www.dggs.dnr.state.ak.us/pubs/pubs?reqtype=citation&ID=7043 .
website with links to sheets in PDF format
Detterman, R. L., Case, J. E., Miller, J. W., Wilson, F. H., and Yount, M. E., 1996, Stratigraphic framework of the Alaska Peninsula: U.S. Geological Survey Bulletin 1969-A, 74 p.
full-text PDF : 2.7 MB
Wilson, F. H., Detterman, R. L., Miller, J. W., and Case, J. E., 1995, Geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 2272, unpaged, 2 sheets, scale 1:24,000.
Alaska Division of Geological & Geophysical Surveys, 1995, Volcanoes of Alaska: Alaska Division of Geological & Geophysical Surveys Information Circular IC 0038, unpaged, 1 sheet, scale 1:4,000,000.
Wilson, F. H., Shew, Nora, DuBois, G. D., and Bie, S. W., 1994, Sample locality map and analytical data for potassium-argon ages in the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula: U.S. Geological Survey Miscellaneous Field Studies Map MF 2155-E, 18 p., 1 plate, scale 1:250,000.
Wilson, F. H., Detterman, R. L., and Harris, E. E., 1991, Generalized geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF 2155-A, unpaged, 1 plate, scale 1:250,000.
Wood, C. A., and Kienle, Juergen, (eds.), 1990, Volcanoes of North America: United States and Canada: New York, Cambridge University Press, 354 p.

Wilson, F. H., 1989, Geologic setting, petrology, and age of Pliocene to Holocene volcanoes of the Stepovak Bay area, western Alaska Peninsula: in Dover, J. H. and Galloway, J. P., (eds.), Geological studies in Alaska by the U.S. Geological Survey, 1988, U.S. Geological Survey Bulletin 1903, p. 84-95.
full-text PDF : 403 KB
DuBois, G. D., Wilson, F. H., and Shew, N. B., 1987, Potassium-argon age determinations from the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 87-0191, unpaged, 1 sheet, scale 1:250,000.
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 PDFsYount, M. E., Wilson, F. H., and Miller, J. W., 1985, Newly discovered Holocene volcanic vents. Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: in Bartsch-Winkler, Susan and Reed, K. M., (eds.), The United States Geological Survey in Alaska: accomplishments during 1983, U.S. Geological Survey Circular C 0945, p. 60-62.
Weber, F. R., 1985, Late Quaternary glaciation of the Pavlof Bay and Port Moller areas, Alaska Peninsula: in Bartsch-Winkler, Susan, (ed.), The United States Geological Survey in Alaska: accomplishments during 1984, U.S. Geological Survey Circular C 0967, p. 42-44.
Eakins, G. R., 1970, Mineralization near Stepovak Bay, Alaska Peninsula, Alaska: Alaska Division of Mines and Geology Special Report SR 0004, 12 p.