Trapnell, Colin Graham <br/><br/>
The soils, vegetation and agricultural systems of North Western Rhod esia :    report of the Ecological survey /  
C. G. Trapnell  and J. N . Clothier 
 - Lusaka :    Govt. printer,    1936 
 - x, 81, v. p. :    ill. maps (3 folded) ;    33 cm. 
<br/><br/>  At head of title : Northern Rhodesia 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture -- Rhodesia, Northern<br/> Soils -- Addresses, essays, lectures<br/> Botany -- Rhodesia, Northern<br/> Plant communities
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Rhodesia, Northern
<br/><br/><label>Dewey Class. No.: </label>630.96894