Western State Savanna Soil Survey. Nigeria. Geology & Physiography map 6. D.O.S. 3159F. Continent: AfricaCountry: Nigeria
Soil and Water Resources Survey of the Sokoto Valley. Semi-detailed Soil Map of the Rima Floodplain. Sheet no. 1. Continent: AfricaCountry: Nigeria
Soils of the Tugela Basin. Sheet 1A. 2729 B2. Sheet 1B. 2730 A2. Continent: AfricaCountry: South Africa
Marsabit district. Map 12. Landforms and soils. For legend see separate sheet. Continent: AfricaCountry: Kenya