1. WOOG/590/1 Reference (shelfmark): WOOG/590/1 Title: Nigeria Yola Province. Traced from various Maps. 20/7/07 C. Vicars Boyle a.R. Scope & Content: Shows relief with form lines, hydrology, routes, settlements and district and colonial boundaries. Gives some indication of topography and vegetation. Collection Area: Map Collections Languages: English Date Range: 1907 Extent: 1 map sheet