Sudan 1:50,000.
Sudan.Maṣlaḥat al-Misāḥah.
Khartoum : Sudan Survey Dept.,
[1955?-
Relief shown by contours and spot heights.
Includes index to adjoining sheets.
[Base map]: Sheets GBR/1, 3, 6-8 ; GCC/16, 18, 23 -- Vegetation map: Sheets GBR/2 ; GCC/17-18, 22-23 -- Provisional layout of canalization: Sheets GBR/1-2 ; GCC/17, 21-22