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Hildreth, Wes, Fierstein, Judy, and Calvert, A.T., 2007, Blue Mountain and The Gas Rocks; rear-arc dome clusters on the Alaska Peninsula: in Haeussler, P.J., and Galloway, J.P., eds., Studies by the U.S. Geological Survey in Alaska, U.S. Geological Survey Professional Paper 1739-A, 27 p., available at http://pubs.usgs.gov/pp/pp1739/a/ .
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Wilson, F.H., and Shew, Nora, 1992, Map and tables showing geochronology and whole-rock geochemistry of selected samples, Ugashik and part of Karluk quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1539-E, 34 p., 2 sheets, scale 1:250,000.
link to PDFs of report and sheetsDetterman, R. L., Case, J. E., Church, S. E., Frisken, J. G., Wilson, F. H., and Yount, M. E., 1990, The Alaska Mineral Resource Assessment Program: background information to accompany folio of geologic and resource maps of the Ugashik, Bristol Bay, and western Karluk quadrangles, Alaska: U.S. Geological Survey Circular C 1046, 14 p.
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Case, J. E., Detterman, R. L., Wilson, F. H., Chuchel, B. A., and Yount, M. E., 1988, Maps showing aeromagnetic survey and geologic interpretation of the Ugashik and part of the Karluk quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF 1539-D, 12 p., 2 plates, scale 1:250,000.

Detterman, R. L., Wilson, F. H., Yount, M. E., and Miller, T. P., 1987, Quaternary geologic map of the Ugashik, Bristol Bay, and western part of Karluk quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 1801, unpaged, 1 sheet, scale 1:250,000, available online at http://www.dggs.dnr.state.ak.us/pubs/pubs?reqtype=citation&ID=12928 .
link to PDF of mapDetterman, R. L., Case, J. E., Wilson, F. H., and Yount, M. E., 1987, Geologic map of the Ugashik, Bristol Bay, and western part of Karluk quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 1685, unpaged, 1 plate, scale 1:250,000.
link on DGGS website to PDF of the mapDetterman, R. L., Case, J. E., Wilson, F. H., Yount, M. E., and Allaway, W. H. Jr., 1983, Generalized geologic map of the Ugashik, Bristol Bay, and part of the Karluk quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF 1539-A, unpaged, 1 sheet, scale 1:250,000.
Wilson, F. H., and Shew, Nora, 1982, Preliminary results of potassium-argon age determinations from the Ugashik Quadrangle, Alaska Peninsula: in Coonrad, W. L., (ed.), The United States Geological Survey in Alaska: accomplishments in 1980 U.S. Geological Survey Circular C 0844, p. 86-87.
LeCompte, J. R., 1981, Preliminary maps showing interpretation of Landsat imagery of the Ugashik and Karluk quadrangles, Alaska: U.S. Geological Survey Open-File Report 81-0776, unpaged, 2 plates, scale 1:250,000.