Food Habits of North American Diving Ducks

Clarence Cottam

No 167391, Technical Bulletins from United States Department of Agriculture, Economic Research Service

Keywords: Environmental; Economics; and; Policy (search for similar items in EconPapers)
Pages: 154
Date: 1939-04
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Persistent link: https://EconPapers.repec.org/RePEc:ags:uerstb:167391

DOI: 10.22004/ag.econ.167391

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