1. IOR/X/14246/83M/SE Reference (shelfmark): IOR/X/14246/83M/SE Title: Sheet 83M/SE [Ledo] First Edition 1927, reprinted 1942. 1st Edition 1927; Reprinted 1942 with major corrections. Seasons 1912-15, 1917-18, 1925-26. Registered 1926. Edition date 1927. Heliozincographed SIO Dehra Dun. Reg.No.2354 D'26 '42–14,500. Grid IIB (Yards). Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: 1 item