Sudan. Maṣlaḥat al-Misāḥah1 map : color; 59 x 50 cmScale 1:4,000,000 (E 22°--E 38°/N 22°--N 2°). ; 'Sudan Survey Dept., Khartoum, April 1940 (Topo. no. S. 625-40).'; 'Corrd. April 1959.'; 'Topo. no. S. 907-54.' ; Corrected 1959.9979707664202441ark:/81985/n2xp6x36bSudan Survey DepartmentPublicSudan, roadsMapsSudan1959Northwestern University