The evils of soil erosion and ways of preserving the land 

 - Nairobi :  Department of Agriculture, Soil Conservation Service,  1938. 
 - 32p.:  ill.;  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion<br/> Prevention
<br/><br/><label>LC Class. No.: </label>EAF PAM S623.E95