Ponds and marshes for wild ducks on farms and ranches in the northern Plains
Hamor, Wade H.,1917-
Uhlig, Hans G.,1922-joint author.
Washington] U.S. Dept. of Agriculture ; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
1968]
Ducks
Farm ponds
Wildlife habitat improvement
Birds