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Description: |
308 pages : illustrations, maps ; 23 cm |
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General Note: |
"Reprint of USDA Technical bulletin 634-1939." |
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Bibliography Note: |
Includes bibliographical references (pages 143-147). |
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Contents Note: |
Contents: Introduction -- Regional data on duck foods -- Principal duck foods for the United States and Canada -- Propagation of waterfowl food plants and development of feeding grounds. |
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Action Note: |
will digitize 20110115 Queued for digitization January 15, 2011 miu pda |