1. IOR/X/14351/1 Reference (shelfmark): IOR/X/14351/1 Title: Sheet 1 [Rokel] GSGS 4070 Second Edition 1942, reprinted 1950. Authorities: Sierra Leone SD sheets 47, 48, 59, 71, GSGS 2459. Published WO 1940. Heliographed OS 1940. 2nd Edition (Grid changes) 1942. 1000/10/50. Guinea Zone grid. Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: 1 item