Richards, John F. <br/><br/>
The unending frontier   an environmental history of the early modern world /   [electronic resource] : 
John F. Richards. 
 - Berkeley ;   Los Angeles :   University of California Press,   c2 003. 
 - ACLS Humanities E-Book .
<br/><br/>  Cover title; description based on screen of 2003-11-05. 
<br/><br/>Includes bibliography and index. 
<br/><br/>Electronic text and image data. 
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<br/><br/><br/> Mode of access: Intranet. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/> Human ecology-- History.<br/> Nature-- Effect of human beings on-- History.