Soil erosion and its control in arid and semi-arid zones;  proceedings of the Karachi symposium. 

 - Karachi,  Food and Agriculture Council, Pakistan,  1960. 
 - xxi, 400 p.  illus., maps, diagrs., tables.  24 cm. 
<br/><br/> "Held ... under the joint auspices of F.A.C.P. and UNESCO." 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>sa 63001679  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation--Congresses.<br/>Arid regions--Congresses.<br/>Erosion.
<br/><br/><label>LC Class. No.: </label>S622  / .S9 1957