Qm Qa Qa Qa Qa Qmt Qa Tm Qmt Qa Qm Qm Qm Qm Qa Qa Qa Jt Jt Tgd Tm Qm Jnc Qa Qa Jnn Qa Qm Qa Tc Qm Qa Tm Jt Kk Qm Qa Qa Khe Tgd Kk Qm Tm Jt Qm Qa Tm Qv Qm Jnn Qm Tm Jqd Qm Qa Qm Qm Qm Tm Qm Qa Qa Qa Qm Jnc Qm Qm Tm Jt Tgd Qm Jni Jnn Ti Tqd Tm g Qa Tiu Qa Qm Jgd Jnn JPk Qm Tm Tm Qm Qa Qa Tgd Qa Qa Qm Jt Jt Qm Qa Tm Qa Jnn Qm Jni Qm Qa Jns Jnn Qm Qmt Jni Tiu Th Qm Ti Qm Jt g Qa Jni Qmt Qa Tm Qm Ti Tm Qm Jt Jgd Qm Jni Ti Qm Qm Jnn Jns Ti Jni Qa Qa Jgd Qa Jnn Jns Jnn Qm Qm Qm Jni Jns Jni Qa Ti Jni Jns Jni Qa Qm Kk JPk QTv Tc Qa Qa Kk Qv Jqd Qa Qm Jqd Jns Qa Jnn Kk Jt Qm Jgd Jns Qm Jni Jnn Qm Qa Jns Qa Qa Qa Jt Qm Qm Qmt Jt Qa QTv Qm Jni Qm Qm Jni Qm Qm Jnn Jns Qa Qa Jt Qa Jnc Jni Qaf Qm Jgd Jni Jnn Qm Jnk Qa Jns Qv Qm Qaf Jnn Qaf Qm Qm Jt Jnn Qv Jni Qm Jnn Qm Qm Qm Qa Jns Qm Jns Jns Jni Qa Jns Jns Jt Qm Jni Qv Jgr Qm Tiu Tiu Qm Qm Jns Jni Tiu Qm JPk Qa Jns Jgd QTv Jni Qv Qm Tiu Qm JPk Qm Qa Qa Qm Qm JPk Jni Ti Qv Jni Qa Qm Qa Qa Jns Jgd Qpd Qaf Jni Qa Qa Tv Qm Jni Qm Jgd Qa Qm Qa g Tiu Qv Qm Qm JPk Qa Jns Qv Qm Qm JPk Qm Qaf Qm Qa Qv Qa g Qm JPk Qm Qm Qm Trc Trk Qm Jgd Qm Jqd Jn Ti Th Qm Ti Th Qv Jni Qa Jns Qv Jgr Qa Qaf Qa Jgr Qaf Qa Th Jns Jni Qm Qa Th Jni Jni Jni Qa Qaf Qa Jns Tv Jni Qm Qa Jni Jni Qm Qa Qa Qv Th Qm Tv Jns Qm Qm Qm Jni Jns Qm Qmt Qa Qm Khe Jni Tm Qm Qm Jgd Tm Jn Ti Jn Ti Jnk Qa Jqd Jnn Jns Jnn Qa Jgd Jns Jns Jni Jgd Qm Jns Jns Qm Jqd JPk Tiu Jns Jn Jni Jni Qm Jns Tiu Tv Tiu Qm Qa Qa Ti Qm Qa Qa Qm Qmt Qa Qm Qm Qaf Qm Qa Trc Qa Jgr Qa Jnn Jns Jni Qa Qm Tm Qa Tqd Qm Jnn Qa Qm Qa Jns Tm Jqd Tgd Jnn Qa Qa Jns Jni Qm Jns Jni Jni Qa Qa Jnn Jnn QTv Qa Jn Qm Jns Qa Qv Jnn Qm Tiu Qm Qa Qm Qm Qm Qm Qpd Qm Jns Kk Th Tv Jt g Jni Qa QTv Ti Tv Jni Tv JPk Qa Qv Jgr Tv Jgd Qaf Qa g Jns Qv Jni Qv g Qv Jns Qm Qm Jns Tgd Jqd Qa Qa Jns Jni Jns Jns Jns Qa Qa Jnn Kk Jni g Kk g Qa Tqd Qm Khe Qa Qa Kk Ti Jnn Jnc Jnn Qa Qa Qa Jnc Jns g Qa Qa Jnn Khe Qa Jns Qaf Jnn Jnn Qpd Qa Qv Jns Qa Jn Jns Jni Jns Jnc Qa Qa Qa Qa Jnn Jnc Qaf Qa Qm Qaf Jns Qa Jnc Jnc Jni Qa Jnn Qm Qm g Jnn Qm Qa Jni Jni Jnn Qm Qm Jns Jni Jns Jnn Qm Jns Jns Jnn Qm Jns Jnn Jqd Qm Qa Qm Qm Jnn Qa Qa Jnn Qm Jns Jnn Jns Qv Jni Qm Tv Qm Qa Qa Qa Qa Jns Qa Qa Kk Jni Jni Qm Qa Qm Qm Qm Jns Qaf Jns Qm Jns Qaf Jni Qm Qm Th Jns Jni Qv Qaf Ti Qa Qa Jni Jns Kk Jni Kk Qv Qa Kk Jni Jni Jni Qm Jns Jns Qm Qm Jns Jnn Qm Qa Qm Qa Qm Qm Qm Qm Qm Qmt Jnn Qm Qm Qmt Qm Jns Jns Qa Qm Jnn Js Js Jnn Jns Jnn Jns Qm Qa Jnn Jnn Jns Jnn Qm Js Qm Qv Jns Jns Qm Qv Qm Js Qm Jnn Qm Qm Jnc Jnc Qm Qa Qa Qm Qm Qm Qm Js Qm Qm Qa Qm Qa Qa Jnc Jnc Js Qm Qm Jnn Qm Qv Jnn Jnn Qm Jnn Jnc Qv Qm Qm Qv Qm Qm Jnn Qm Jnc Qm Jnn Qm Jni Qv Qm Jns Jnc Qa Qa Jnn Js Jnc Jnn Jnc Jnc Jns Jn Jnn Jnc Jnn Jnc Qm Qa Jns Qa Qm Jnn Jnc Qm Jnn Jnn Jnc Jnn Js Jnc Js Qm Jnn Jnc Jnn Jnc Ti Jnn Qa Jnn Jnc Qm Qm Jnn Jnc Jnc Jnc Qm Jnc Js Jnc Qm Ti Jnn Js Qm Jnc Qm Qm Jns Js Ti Js Qm Js Jnc Qa Jk Jnc Qm Jnn Jnc Qm Jnc Qm Qm Jnc Jnc Jnn Qm Qm Jk Jnc Qm Jnn Js Jns Jnn Jnn Qm Jk Jnc Qm Jnn Jnn Js Jns Qa Qm Jnn Jn Js Jnn Jnn Jn Js Jk Js Qpd Qm Qm Tm Jnk Qm Qpd Jnn Qm Js g Tm Tm Qa Tm Tt Qm Qpd Jnn Jn Jnn Qm Qv Jn Qm Tt Jns Qm Qpd Qv Qv Qv Ti Tvu Qm Jns Qm Jnn Qm Qpd Jnn Jns Qm Tt Qv Qm Qm Tm Jni Qm Tm Qm Jns Qa Tt Qm Jni Kc Tt g Qm g Qm Qm Tt Kc Qpd Tt Qm Qpd Tm Qpd Tvu Jnn Qm Qm Tm Qa Tv Qa Tm Jns Kc Qpd Ti Qpd Jns Qa Kc Tt Ti Tv Qpd Ti Qpd Kc Qpd Tt Tvu Tt Qpd Tv Ti Tvu Qpd Qpd Tvu Qm Ti Qpd Tvu Qpd Tt Qm Kc Qpd Qpd Tvu Tt Jns Jnn Js Qa Js Js Qa Js Js Qm Qm Qm Jnn Jnc Jns Jns Qv Qa Jnn Qm Js Qa Jnn Js Js Jns Js Jt Jk Jnc Jnn Qa Qa Qa Jnn Qa Qa Jnc Jnn Jni Qa Jnc Jnc Jnc Jnc Js Qa Qa Qa Qa Js Qa Js Qm Tbl Jnn Jnc Qm Jk Qm Jk Qa Jnn Jnn Jns JncJnn Jns Jnn Js Tm g Jni Qv g Tm Tt Ti Tt Jnn Qa Jni Jn Qa Kc Jn Qv Ti Qm Jn Qa Tt Jnn Jns Qa Jnn Ti Tt Ti Jni Ti Jns Jns Qa Jns Jns Jns Qpd Qpd Jns Tt Qa Qpd Ti Tv Tv Tv Tt Qa Tt Qa Kc Qpd Jns Qa Tt Tt Jni Kc Qa Qpd Qa Qpd Tt Kc Qpd Qa Qpd Jns Qpd Qpd Qa Qpd Tt Qpd Tt Kc Kc Qpd Qv Kc Qv Qpd Kc Qm Qm Qa Jni Tt Tiu Qm Tt Jni Qpd Jns Tt Qpd Qv Jni Jni Qv Jnn Jns Qa Jns Qv Qa Qpd Qm Qa Jns Qv Jni Jni Kh Jni Qm Tt Jnn Jns Tt Jni Qv Qpd Jnn Jni Jns Tvu Kh Jns Qpd Jni Jni Qv Qpd Qv Tm Jns Jns Jni Jni Qa Jns Qv Kc Jns Kh Kc Qpd Qpd Jni Qpd Kc Kc Tt Tt Tt Qm Jni Tm Tm Qpd Qa Tm Tt Qpd Tm Qa Qm Qpd Tm Qpd Qpd Qpd Qpd Kc Tt Qpd Tm Tt Qpd Qm Kc Tm Qpd Qm Tt Qa Qpd Qpd Qpd Qpd Qpd Tm Qpd Qa Qpd Qm Qpd Qa Tm Qm Top Qm Qm Qpd Qpd Qm Qm Tt Tt Qm Tvu Qm Tmr Qm Tm Tm Qm Qm Qa Tm Qa Tt Qm Tiu Qm Tm Tbl Qm Qm Qm Qpd Qa Qm Tt Kh Qm Qm Qpd Qpd Tm Tt Jni Tmr Qm Tbl Jn Qpd Qm Tt Jni Qv Tm Tm Qv Qa Tbl Qa Qa Jn Qv Qm Tm Tt Qa Kc Tm Qa Kc Qm Tm Kc Tmr Jn Tvu Qa Qm Qa Qm Ti Qa Qv Tt Tm Kst g Kc Qm Jn Jn Jni Tvu Tbl Kc Jni Qm Kc Tm Qv Qa Ti Ti Kc Qa Qpd Qpd Tvu Qm Qa Qm Jn Qpd Qm Qpd Qm Tm Qv Jnc Qm Js Qv Qpd Qm Jnn Jn Jni Qa Qa Jns Qv Qm Jni Qm Tm Qm Jn Qm Jni Qm Qv Qm Jns Qm Jnn Jnc Qpd Qpd Qa Jn Qa Qpd Qv Qpd Jn Jn Tm Qm Qpd Jni Qa Qm Jn Ti Jns Qm Qm Qa Jni Qpd Jns Jn Qpd Qm Qm Qpd Qpd Qm Jn Tt Qm Qpd Jni Kc Jns Kc Qa Qpd Kc Qm Jnn Qm Qv Kh Qv Jn Tm Qa Qpd Jnn Kh Qa Jns Qm Qm Jnn Tm Qm Kc Jnn Ti Qm Qa g Qm Qpd Tm Qpd Qa Qv Ti Qm Jns g Kc Tt Jnn Qm Qm Jn Tt Qm Qm Qpd Tm Qm Tt Qm Qm Tt Tt Qm Kc Qa Tg Tt Qpd Qa Tiu g Qpd Kh Qpd Tg Tvu Qv Qm Qm Tvu Qv Kc Qm Qa Jn Tt Kc Qm Kh Tt Qa Jni Tvu Jnn Qm Tmr Qm Qv Jns Ti Jnn Jn Qm Qpd Qa Qm Qm Qpd Qm Jns Qm Jnn Qpd Qm Qm Ti Qm Qa Tt Qv Qm Qm Kc Jn Jni Qm Qm Qm Qm Tt Kc Tt Qv Kh Qm Tbl Qm Qm Qm Jn Qpd Tmr Qpd Qm Qm Qa Qv Qv Qpd Kh Qv Qpd Qpd Qa Qpd Tvu QTv Qm Qpd Tvu Tg Qm Tmr Qpd Qv Qa Qpd QTv Qm Qv Tt Qm Ti Tm Qm Jn Qa Tmr Tbl Qm g Tm Qm Tt Qm Qpd Tbl Qv Kc Qm QTv Ti Kc Tmr Tbl Qv Kh Tmr Jni Qpd Qa Tt Tmr Qv g Tbl Tiu QTv Tbl Tbl Qm Qa Qm Qm Qm Qa Tbl Qa Tbl Qv Tmr g Qpd Qa Jni Jni Tt Qa Jni QTv Tt Tvu Tbl Tm Qa Qa Qv Qm Qv Kc Qm Tt Tbl Tm Qv QTv Jni Qm Tm Qv Qa Tt Qa Qa Ts Qa Tbl QTv Tm QTv Kc QTv Jni Qb Jn Qm Jni Tt Tbl g Tt Tt Tbl Qb QTv Tt Qm Qa Tm QTp Tt Tt Qv Tbl Qa g Jni Qv Qm Tm Tvu Tt Tv Tm Qb Khe Qa Tm Ts Qa Tt Qa Ts Tt Tbl Tt Ti Tm Khe Tm Tv Qb QTp Tm Ts Jni Tm Kc Qm QTp Kst Jni Jni Tbl Khe QTv Tbl Kc Khe Tt Qa Tvu Qv Khe Ts Tm Kst Ts Qa Ts Tv Tm Tvu Khe Kc Kc Khe Kc Jni Kst Jnn g Jni Khe Tt Qa Tm Qa Qm Jns Jni Tv Ts Jni Jni Jns Qv Tvu Tvu Jni Ts Jns Tt Qa Ts Tt Ti Kc Tm Qa Kh Qa Ts Qa Ts Tvu Qv Kh Tt Qm Qa Tv Qa Tm Tm Ts Kc Qm Qa Qv Kc Ts Kc Qa Tv Kh Qpd Tt Tt Kh Qa Qa Kst QTc Qm Ts Tm Tt Kh Tm Qm Ts Tv Qa Tm Kh Tv Tt Tt Qm Qa Tt Qa Tt Ts Qa Tt Tu Tt Qa Kh Qb Qa Qv Tv Ts Kh Qv Qv Tu Tm Qa Qm Tv Tt g Tt Ts Qv Tt g Qv Qv Tm Qa Qm Tt Tu Ts Qv Tm Tu Tm QTv Ts Ts Tvu Ts Tm Qa Ts Qa Qv Tvu Ts Tt Ts Tu Tv Tu Qv Qm Qv Tm Qb Qa Qm Qm Tm Tm Qm Tu Qv Qv Qa Tm Qa Tu Tm Tiu Tu Qv Tv Qm Tu Ks Tv Tm Tu Tv Tvu Qa Qa Tg Tvu Tu Tv Tu Ks Tbe Tm Ks Tv Ks Tv Tm Tvu Ks Tbe Tbe Ksm Ksm Tv Tv Ks Ks Ks Tg Ks Tg Ksm Tg Tg Tv Tg Ks Ks Ksm Tg Qa Qa Tg Qa Tg Tg Tg Qa Tg Tg Qa Qa Qm Qm Qa Qa Qa Qm Qm Qmt Qm Qm Qm Qm Tbl Qa Qa Tbl Kc Qm Qm Qa Jns Jnn Kc Qpd Qm Qpd Kh Kh Kh Qa Qa Qa Qm Qm Qi Qm Qpd Qm Tt QTv Qpd Qpd Qm Tt Qm Kh Qb Qv Qm Qa Qv Tmr QTv Qa QTv Qa Tmr Qv Tbl Qa Tm Qmt Jnn Qm Qm Qm Qm Qa Qv Qa Qm Qpd QTv Qm Qa Qm QTv Qm Qm Qa Qb Qm Qm Qa Qm g Qv Qa Qm Qv Qv g g Qv Qb Qv Qv Qaf Qb Qv Qv Qv Qm Tbe Qm Qa QTv Qb Tmr Qm QTv Qpd QTv Qm Qa Qv Qpd Qa Qa Tbe Qi Qv Qm Qi Qb Tbe Qa QTv Qm Qa Qa Tv QTv Qa Tta Qm Qa Tta Qa Tv Qa Tta Tiu Tv Qpd Qv Tv Tbe Qm Qv Qv QTv QTv Qv QTv Qpd Tiu QTv QTv Tbe Qv Qv Qv Qpd QTv Qpd Qpd QTv Qv Qmt Qb Tg Qm Qm Qa Qm QTv Qm Qm Qm Qa Qm Qm Qm Qv Qm Qm Qm g Qa Qv QTm Qa Qa QTv QTv Qv Qv Qpd Qv QTv g Tmr Qv QTv QTv Qv Tmr Qv Qv g Qa Qa Qv Qm Tbe Tmr Qpd Qm Qa g QTv Tbe Tbe Qpd Ti Qa QTv Ti Tbe Tbe Qa Qa Qa Qb Qm Qa Qa Qm Qa Qa Qm QTm Qm Qm Qm Qa Qm Qa QTv Qm Qm Qm Qpd Qm Qv QTv Qm Qm Qa Qa QTv QTv QTv QTv QTv Qv Qm Qpd Qm Qv Qm QTv Qv Qv Qv Qa Qm Qv g Qa Qa Qpd QTv g Qm Qpd Tbe Qb Qv Qpd Tbe Tbe QTv Qpd Qv Qpd QTv Qpd Qa Qa Tbe Qpd Qmt Tbe Qmt Ks Qa Qm Qa Qa Qa Qm Qm Qa Qm Qm SEDIMENTARY ROCKS AND SURFICIAL DEPOSITS Qa Alluvial deposits Qaf Alluvial fan and landslide deposits Qb Marine beach and estuarine deposits Qmt Marine terrace deposits Qm Moraines and other glacial deposits TERTIARY Tmr Milky River Formation Tbl Bear Lake Formation Tta Tachilni Formation Tu Unga Formation Tbe Belkofski Formation Th Hemlock Conglomerate Ts Stepovak Formation Tt Tolstoi Formation Tc Copper Lake Formation CRETACEOUS Kh Hoodoo Formation Kc Chignik Formation Kk Kaguyak Formation Ks Shumagin Formation Ksm Mudstone Kp Pedmar Formation KJcv Chert and volcanic sequence Khe Herendeen Formation Kst Staniukovich Formation SEDIMENTARY ROCKS (continued) JURASSIC Jn Naknek Formation Jni Indecision Creek Sandstone Member Jnk Katolinat Conglomerate Member Jns Snug Harbor Siltstone Member Jnn Northeast Creek Sandstone Member Jnc Chisik Conglomerate Member Js Shelikof Formation Jk Kialagvik Formation Jt Talkeetna Formation TRIASSIC Trk Kamishak Formation PERMIAN Pls Limestone IGNEOUS ROCKS Volcanic Rocks QUATERNARY Qv Volcanic rocks Qpd Pyroclastic and debris-flow deposits QTv Volcanic rocks QTp Pyroclastic flow deposits QTm Morzhovoi Volcanics TERTIARY Tvu Volcanic rocks, undivided Tv Volcanic rocks Tm Meshik Volcanics TRIASSIC Trv Volcanic rocks PERMIAN Pv Volcanic rocks IGNEOUS ROCKS (continued) Intrusive Rocks QUATERNARY Qi Intrusive rocks TERTIARY Ti Intrusive rocks Tiu Intrusive rocks, undivided Tgd Granodiorite, Mt. Katmai region Tqd Quartz diorite, Mt. Katmai region Tg Granodiorite, Shumagin, Semidi, and Sanak Islands JURASSIC Jgd Granodiorite Jgr Granite Jqd Tonalite and quartz diorite Jgb Diorite and gabbro METAMORPHIC ROCKS QUATERNARY or TERTIARY QTc Contact-metamorphic rocks MESOZOIC JPk Kakhonak Complex Trc Cottonwood Bay Greenstone OTHER MAP SYMBOLS g Glaciers Water Altered zones Hornfelsed zones. Folds -- Certain Folds -- Inferred Folds -- Concealed Stratigraphic contacts -- Certain Stratigraphic contacts -- Approximate Stratigraphic contacts -- Approximate, queried Stratigraphic contacts -- Concealed Internal contacts Faults -- Certain Faults -- Approximate Faults -- Approximate, queried Faults -- Concealed Thrust faults, teeth on upper plate -- Certain Thrust faults, teeth on upper plate -- Approximate Thrust faults, teeth on upper plate -- Approximate, queried Thrust faults, teeth on upper plate -- Concealed Dikes Caldera or crater rim Ice contacts and shorelines Geology mapped by Narin Albert, 1983; W.H. Allaway, Jr., 1980-81; L.M. Angeloni, 1983-85; Peter Burrell, 1983; J.E. Case, 1977-81, 1983-1985; C.L. Connor, 1982; D.P. Cox, 1977-78, 1980; John Decker, 1985; R.L. Detterman, 1977-86, 1988; G.D. DuBois, 1985, 1988, 1990; C.L. Engelhardt, 1977; B.M. Gamble, 1983-84; S.A. Zurinski, 1986; C.D. Holloway, 1977; D.G. Howell, 1977; T.E.C. Keith, 1984; L.B. Magoon, 1979-80; Louie Marincovich, Jr., 1978, 1982, 1984; Eric Martin, 1984; Hugh McLean, 1977; J.W. Miller, 1979-86; T.P. Miller, 1973-75, 1977-78, 1979, 1981-82, 1988; M.A. Pernokas, 1983; B.L. Reed, 1983-84; J.R. Riehle, 1981-86; Nora Shew, 1981-82; R.A. Spicer, 1977-78; F.R. Weber, 1983-85; F.H. Wilson, 1977-86, 1988, 1990; J.A. Wolfe, 1977-78; M.E. Yount 1977-86. Data sources (by 1:250,000-scale quadrangle): Afognak: Riehle and others, 1987, 1993; Riehle and Detterman, 1993; R.L. Detterman, written commun., 1989; interpretation of vertical airphoto, SLAR, and Landsat imagery, F.H. Wilson, 1989 Bristol Bay: Detterman and others, 1987a, b; R.L. Detterman written commun., 1988 Chignik: Detterman and others, 1981a, b; R.L. Detterman written commun., 1988 Cold Bay: Kennedy and Waldron, 1955; Waldron, 1961; Burk, 1965; McLean and others, 1978; DuBois and others, 1989; F.R. Weber, written commun., 1989; T.P. Miller, written commun., 1989; interpretation of vertical airphoto, SLAR, and Landsat imagery, F.H. Wilson, 1989-91; field work, F.H. Wilson, G.D. DuBois, and W.H. White, 1990 False Pass: Kennedy and Waldron, 1955; Waldron, 1961; Burk, 1965; McLean and others, 1978; DuBois and others, 1989; F.R. Weber, written commun., 1989; T.P. Miller, written commun., 1989; interpretation of vertical airphoto, SLAR, and Landsat imagery, F.H. Wilson, 1989-91; field work, F.H. Wilson, G.D. DuBois, and W.H. White, 1990 Karluk: Detterman and others, 1987a, b; R.L. Detterman, written commun., 1988 Mt. Katmai: Riehle and others, 1987, 1993; Riehle and Detterman, 1993; R.L. Detterman, written commun., 1989; interpretation of SLAR and Landsat imagery, F.H. Wilson, 1989 Naknek: Riehle and others, 1987, 1993; Riehle and Detterman, 1993; Muller, 1952; interpretation of SLAR and Landsat imagery, F.H. Wilson, 1989 Port Moller: Wilson and others, 1995; field work, F.H. Wilson, G.D. DuBois, R.L. Detterman, and W.H. White, 1989 Simeonof Island: Wilson and others, 1995; field work, F.H. Wilson, G.D. DuBois, R.L. Detterman, and W.H. White, 1989 Stepovak Bay: Wilson and others, 1995; field work, F.H. Wilson, G.D. DuBois, R.L. Detterman, and W.H. White, 1989 Sutwik Island: Detterman and others, 1981a, b; R.L. Detterman written commun., 1988 Ugashik: Detterman and others, 1987a, b; R.L. Detterman written commun., 1988 Base digitally derived from following U.S. Geological Survey 1:250,000-scale quadrangles, and contained 1:63,360-scale quadrangles in part, Afognak, 1952 (revised 1970); Bristol Bay, 1963 (revised 1977); Chignik, 1963 (revised 1976); Cold Bay, 1943 (revised 1975); False Pass, 1949 (revised 1970); Karluk, 1952 (revised 1981); Mt. Katmai, 1951 (revised 1975); Naknek, 1952 (revised 1981); Port Moller, 1953 (revised 1988); Simeonof Island, 1963; Stepovak Bay, 1963 (revised 1981); Sutwik Island, 1963; Ugashik, 1963 (revised 1975). Vicinity of Morzhovoi Bay to False Pass digitally derived from National Oceanic and Atmospheric Administration Chart 16535, Morzhovoi Bay and Isanotski Strait (Mercator Projection). Inset map digitally derived from Karluk (C-4 and C-5), Alaska, quadrangle, scale 1:63,360. USGS quadrangle sheets digitally transformed from: Universal Transverse Mercator projection, zones 3, 4, and 5 to: Albers Equal Area projection, 1st Standard Parallel; 55 degrees N 2nd Standard Parallel; 65 degrees N Central Meridian; 154 degrees W Projection origin; 50 degrees N Scale 1:500,000 By GEOLOGIC MAP OF THE ALASKA PENINSULA, SOUTHWEST ALASKA F.H. Wilson, R.L. Detterman, and G.D. DuBois LIST OF MAP UNITS LIST OF LINE SYMBOLS U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 99-317