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Food of game ducks in the United States and Canada


Author:
Martin, Alexander Campbell and Uhler, F. M.
Source:
Technical bulletin (United States. Dept. of Agriculture) ; no. 634 1939
Year:
1939
Subject:
Ducks -- Feeding and feeds
Format:
157 p., 153 p. of plates : ill. (some col.), maps ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection