1. IOR/X/14176/83H Reference (shelfmark): IOR/X/14176/83H Title: Sheet 83H : Sheet G-46V Imphal GSGS 4218 First Edition 1943. Compiled and published originally SGI 1922 and revised to 1938. Published WO 1943. Heliographed OSO 1943. 2,500/10/43F. Grid IIB (Yards). Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: 1 item