Soils of Maiduguri - Bama area.
[Tolworth] : Directorate of Overseas Surveys,
1969.
Sheet 27 from "Nigeria - soils 1:250,000 series"
To accompany: "The soils of the Maiduguri - Bama area" (Soil Survey Bulletin (Samaru) No. 40) & "The soils of the Kirawa area" (Soil Survey Bulletin (Samaru) No. 42)