1. IOR/X/14240/92E (4) Reference (shelfmark): IOR/X/14240/92E (4) Title: Sheet 92E : Sheet G-47B Fort Hertz GSGS 4218 Third Edition 1942, printed 1943. Compiled and published originally SGI 1925 and revised to 1942. Published WO 1942. Heliographed OSO 1943. 2,500/10/43F. Grid IIB (Yards). Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: Two copies.