1. IOR/X/14240/56O Reference (shelfmark): IOR/X/14240/56O Title: Sheet 56O Nalgonda First Edition 1927, reprinted 1942. Sheet E-44N. 1st Edition 1927; Reprinted 1941, with major corrections; Reprinted 1942. Registered 1925. Reg.No.1454 D'25 (D.O.4–3/8") 500–200–1,000'41–8,500'42. Grid IIIA (Yards). Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: Two copies.