Troeh, Frederick R. <br/><br/>
Soil and water conservation / 
Frederick R. Troeh, J. Arthur Hobbs [and] Roy L. Donahue. 
 - 2nd ed. 
 - Englewood Cliffs :  Prentice-Hall ,  c1991. 
 - xiii, 530 p. :  ill., maps ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>013830324X (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation.<br/>Water conservation.
<br/><br/><label>Subjects--Index Terms: </label>Soils  Conservation Natural resources  Water  Conservation