Soil taxonomy :  a basic system of soil classification for making and interpreting soil surveys. 

 -  Soil conservation serive U. S. Department of Agriculture,  1975. 
 - 754 p. :  plates ;  29 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Taxonomy.<br/>Soil--Classification.