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/ . USGS website with link to full-text PDF
Miller, T. P., 2004, Geology of the Ugashik-Mount Peulik volcanic center, Alaska: U.S. Geological Survey Open-File Report 2004-1009, 19 p., 2 sheets, scale 1:63,360. website with links to PDFs full-text PDF : 1.7 MB plate 1 PDF : 660 KB plate 2 PDF : 142 KB
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 sheets
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 map
Detterman, 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 map
Detterman, 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.
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.