Steila,  Donald. <br/><br/>
The geography of soils :  formation, distribution and management / 
Donald Steila and Thomas E. Pond. 
 - 2nd edition. 
 - Bollman Place(United States) :  Rowman & Littlefield,  1989. 
 - xxi, 239 p. : ill. 
<br/><br/><label>ISBN: </label>0847675920 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil geography.<br/>Soil science.