Montgomery, David R.,  1961- <br/><br/>
Dirt  the erosion of civilizations /  [electronic resource] : 
David R. Montgomery. 
 - Berkeley :  University of California Press,  c2007. 
 - 1 online resource (ix, 285 p. :)́ :  ill., maps 
<br/><br/> Description based on print version record. 
<br/><br/>Includes bibliographical references (p. 251-270) and index. 
<br/><br/>Good old dirt -- Skin of the Earth -- Rivers of life -- Graveyard of empires -- Let them eat colonies -- Westward hoe -- Dust blow -- Dirty business -- Islands in time -- Life span of civilizations. 
<br/><br/><label>ISBN: </label>9781429471794 (electronic bk.) 1429471794 (electronic bk.) 
<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  / .M66 2007eb 
<br/><br/><label>Dewey Class. No.: </label>631.4/9 
<br/><br/><label>National Agricultural Library Call No.: </label>S590.7  / .M66 2007