Wild ducks and duck foods of the Bear River marshes, Utah
By: by Alexander Wetmore
Series: Bulletin / United States Department of Agriculture -- no. 936; Bulletin of the U.S. Department of Agriculture -- no. 936.
Publisher: U.S. Dept. of Agriculture
Published: 1921
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Ducks; Feeding and feeds; Waterfowl
Notes: Caption title.

"May 31, 1921."

"Professional paper."