Sheet 10 Eastern Siberia And Alaska GSGS 2957 First Edition–GSGS 1952. Sheet 10 (1/M North P–T 1–7 & 54–60). Main authorities: USAAF Charts 1:1,000,000 1946-47; USSR Physical Map 1:5,000,000 1941; USSR Administrative Map 1:5,000,000 1946(?); USSR Administrative Map 1:4,000,000 1947. Published WO 1952. Compiled and drawn OS 1950. Reproduced OS 1952. 5,000/4/52 S.P.C., R.E. Extruded south and west for coastal areas. Layered.