Survey for Rhodesian Congo Border Concessions in Northern Rhodesia undertaken by African Expedition of Aircraft Operating Co.; survey of upper reaches of Zambesi; extent of navigability of river, exact location of central channel, and situation of sandbanks and rapids are chief points of investigation.
Air survey in Rhodesia
Aeroplane
Aeroplane ; 34 , n 8
1928
Aufsatz (Zeitschrift)
Englisch
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