Montgomery, David R.,  1961- <br/><br/>
Dirt  the erosion of civilizations /  [electronic resource] : 
David R. Montgomery. 
 - New ed. 
 - Berkeley, Calif. ;  London :  University of California Press,  2012. 
 - xv, 285 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>Electronic reproduction. <br/>Palo Alto, Calif. : <br/>ebrary, <br/>2011. <br/>Available via World Wide Web. <br/>Access may be limited to ebrary affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science--History.<br/>Soils.<br/>Soil erosion.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>S590.7  / .M566 2012eb