Sheet 92B/NE [Tabawng Ga] First Edition 1923, reprinted 1942. Burma: Unadministered Area. 1st Edition 1923; Reprinted 1942; Reprinted 1942 with minor corrections. Seasons 1920-22. Railway Survey Levels from map of Hukawng Valley Railway Route Survey. Registered 1921. Heliozincographed SIO Calcutta. Reg.No.1543. D 21 (E.C.10). 4,500–10,000'42. Black and brown printing; no boundary colour. Printed black with Grid IIB (Yards).
Sheet 92E/SW [Putao] Interim Edition 1942. Assam & Burma: Sadiya Frontier Tract; Myitkyina and Naga Hills Districts. Surveyed 1917-19. Part taken from sheet 92E Revised Edition 1942. Deduct 19 feet from all heights to conform with latest adjusted values. Previous edition 1st 1921. Edition date 1942. Registered 1919. Heliozincographed SIO Dehra Dun. Reg.No.2883 D'19 (E.C.10) 500'42–14100. Extruded west into area of sheet 92A/SE for Myitkyina District only. Black and brown printi...