Comber, Norman Mederson. <br/><br/>
An introduction to the scientific study of the soil. 

 - 4th ed. rev. / by W.N. Townsend.  4th ed. rev. / by W.N. Townsend. 
 - London :  E. Arnold,  [1968] 
<br/><br/> First published in this ed. in 1960. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils.<br/>Soil science.