Geological map of the southern Sudan /

Bibliographic Details
Main Author: Andrew, G.
Corporate Author: Sudan. Maṣlaḥat al-Misāḥah
Other Authors: Auden, John Bicknell, Wright, E. P. (Ernest Peter)
Format: Map
Language:English
Published: Khartoum : Sudan Survey Dept., [1955]
Subjects:

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