1. IOR/X/14246/84O/NW Reference (shelfmark): IOR/X/14246/84O/NW Title: Sheet 84O/NW [Chaungu] [edition unknown 1922], reprinted 1942. Season 1904-05. Edition date 1922. Registered 1917. Heliozincographed SIO Dehra Dun. Reg.No.1238 D.17 '42–14,500. Grid IIIB (Yards). Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: 1 item