Report to the government of Tanganyika on the preliminary reconnaissance survey of the Rufiji basin 

 - Roma  Food and Agriculture Organization of the United Nations (FAO)  1961 
 - various pagings  29cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation
<br/><br/><label>LC Class. No.: </label>EAF QTO S605.F6