Naknek Quadrangle References Berryhill, R.V., 1963, Reconnaissance of beach sands, Bristol Bay, Alaska: U.S. Bureau of Mines Report of Investigations 6214, 48 p. Church, S.E., Bailey, E.A., and Riehle, J.R., 1989, Geochemical map showing the distribution of selected elements determined in stream sediments from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2021-A, 1 sheet, scale 1:250,000. Church, S.E., and Bennett, G.J., 1989, Geochemical map showing the distribution of selected minerals identified in nonmagnetic heavy-mineral concentrates from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2021-D, 1 sheet, scale 1:250,000. Church, S.E., and Motooka, J.M., 1989, Geochemical maps showing the distribution of selected leachable metals in stream sediments from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2021-B, 2 sheets, scale 1:250,000. Church, S.E., Riehle, J.R., Magoon, L.B., and Campbell, D.L., 1992, Mineral and energy resource assessment maps of the Mount Katmai, Naknek, and western Afognak quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2021-F, 2 sheets, scale 1:250,000. Cobb, E.H., 1972, Metallic mineral resources map of the Mount Naknek quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-442, 1 sheet, scale 1:250,000. Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p. Cobb, E.H., 1977, Placer deposits map of central Alaska: U.S. Geological Survey Open-File Report 77-168B, 64 p., 1 map, scale 1:1,000,000. Cobb, E.H., 1980, Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska: U.S. Geological Survey Open-File Report 80-909, 103 p. Kimball, A.L., 1972, Reconnaissance of Ugashik beach sands, Bristol Bay, Alaska: U.S. Bureau of Mines Open-File Report 21-72, 28 p. MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metaliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169F, 39 p., 1 sheet, scale 1:1,000,000. McFaul, E.J., Mason, G.T., Jr., Ferguson, W.B., and Lipin, B.R., 2000, U.S. Geological Survey Mineral Databases - MRDS and MAS/MILS: U.S. Geological Survey Digital Data Series DDS-52, two discs. Mertie, J.B., Jr., 1938, The Nushaguk district, Alaska: U.S. Geological Survey Bulletin 903, 96 p. Ransome, A.L., and Kerns, W.H., 1954, Names and definitions of regions, districts, and subdistricts in Alaska (used by the Bureau of Mines in statistical and economic studies covering the mineral industry of the Territory): U.S. Bureau of Mines Information Circular 7679, 91 p. Riehle, J.R., Detterman, R.L. Yount, M.E., and Miller, J.W., 1993, Geologic map of the Mount Katmai quadrangle and adjacent parts of the Naknek and Afognak quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigations Map I-2204, 1 sheet, scale 1:250,000.