Sheet 93J/12 [Man Nga-Taü] First Edition 1912, reprinted 1943. 1st edition 1912; Reprinted 1943 with minor corrections. Season 1909-10. Edition date 1912. Heliozincographed SIO Dehra Dun. Reg.No.1602 D'12 (E.C.) 500'43-X. Grid III B (Yards) overprint.