Butzer Karl W. <br/><br/>
Recent history of an Ethiopian delta :   the Omo River and the leve l of Lake Rudolf/  
Karl W. Butzer; cartography by John A. Kirchner 
 - Chicago, Ill.:   University of Chicago,   1971 
 - xvi, 184 p. :    ill., maps;    23 cm. 
 - Research paper;   no.136 .
<br/><br/>Includes bibliographical references(p.176-84) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Omo River Delta (Ethiopia and Kenya)----Ethiopia----<br/>Rudolf, Lake (Kenya and Ethiopia)----Ethiopia----<br/>Deltas ----Ethiopia----