The Great Plains waterfowl breeding grounds and their protection, by Harry C. Oberholser ...
|Main Author:||Oberholser, Harry C. 1870-1963.|
Washington, Gov. Prtg. Off., 1918.
> Dept. of Agriculture.
Birds > Breeding.
Waterfowl > United States.
"Separate from Yearbook of the Department of Agriculture, 1917. no. 723."
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