1. IOR/X/14240/18J Reference (shelfmark): IOR/X/14240/18J Title: Sheet 18J : Sheet G-40G Lingeh GSGS 3919 First Edition 1942. Compiled and published originally SGI 1912 and revised to 1941. Published WO 1942. Heliographed OSO 1942. 1,036/8/42. LR. Grids B & Mecca Muscat Zone. Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: 1 item