1. IOR/X/12056 Reference (shelfmark): IOR/X/12056 Title: [Red Sea - Yanbu al Bahr] Scope & Content: Part of a hydrographic chart of the Red Sea showing coastal soundings from Yenbo southwards, with manuscript additions. No scale or production information. Collection Area: Map Collections Languages: English Date Range: Early 20th century Extent: 1 sheet