The arc of the Thirtieth Meridian between the Egyptian Frontier and Latitude 13 45`, 1935-1940
Wakefield, R.C.
The arc of the Thirtieth Meridian between the Egyptian Frontier and Latitude 13 45`, 1935-1940 - Khartoum The Sudan Government 1950 - xv. 167p. 13 leaves of plates. ill. 30cm - Sudan Survey Department Records Volume 1 .
526.330962
The arc of the Thirtieth Meridian between the Egyptian Frontier and Latitude 13 45`, 1935-1940 - Khartoum The Sudan Government 1950 - xv. 167p. 13 leaves of plates. ill. 30cm - Sudan Survey Department Records Volume 1 .
526.330962