Food habits of the mallard ducks of the United States /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Washington :
U.S. Department of Agriculture,
1918
|
| Series: | U.S. Department of Agriculture. Bulletin ;
720 |
| Subjects: | |
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| Institution: | Moravian Library in Brno |
| All Items of this Institution: | all items available from Moravian Library in Brno |
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Food habits of the trushes of the United States /