River studies and recommendations on improvement of Niger and Benue 
/ Netherlands Engineering Consultants 
 - Amsterdam  North-Holland  0 
 - ix, 1000 p. 
<br/><br/> Includes glossary. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rivers & strearns<br/>Niger river, Benue river-Africa
<br/><br/><label>Dewey Class. No.: </label>627.12  / NET