Sheet 8A : Sheet J-39A Prishibinskoe GSGS 3919 First Edition 1942. Compiled and published originally SGI 1922 and revised to 1940. Published WO 1942. Heliographed OSO 1942. 1,036/7/42F. Russo-Iranian boundary from Russian official 5 verst maps Z 9 dated 1898 and Z 10 dated 1910. Grid C.