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 (???)  Library
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       Book ID  : 6019
       Title    : The Earth as Modified by Human Action
       Author   : Marsh, George P. (George Perkins), 1801-1882
       Language : en
       Issued   : 2004-07-01
       
       Download Book (plain text)
 (TXT) 6019-0.txt
       
       Download Book (ePub)
 (BIN) 6019-0.epub
       
 (???) ubjects 
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         Human geography
         Physical geography
         Conservation of natural resources
         Nature -- Effect of human beings on
       
 (???) ookshelves 
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 (DIR)   Category: History - Modern (1750+)
 (DIR)   Category: Science - Earth/Agricultural/Farming
 (DIR)   Category: Environmental Issues
 (DIR)   Category: Archaeology & Anthropology