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Food of game ducks in the United States and Canada

Technical Bulletin No. 634.
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Abstract

Publication type Report
Publication Subtype Federal Government Series
Title Food of game ducks in the United States and Canada
Series title Technical Bulletin
Series number No. 634.
Year Published 1939
Language English
Publisher U.S. Department of Agriculture.
Contributing office(s) Patuxent Wildlife Research Center
Description 157
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