Summary of insect conditions throughout the United States during 1921 /
by J.A. Hyslop.
|Main Author:||Hyslop, J. A. 1884-|
Washington, D.C. : U.S. Dept. of Agriculture, 1922.
> United States.
Agricultural pests > United States.
51 p. :
ill., maps ;
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|Full viewv.1103(1922)||University of Illinois at Urbana-Champaign|