Soil survey manual 

 - Washington  Bureau of Soils and Agricultural Engineering    1966 
 - "vii,503p"  cm. 
<br/><br/> "United States, Agriculture (Department of...), Handbooks, 18." 
<br/><br/><label>Standard No.: </label>111579 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>"J:1, K6"