Annual report of the Barberry Eradication Campaign, 1928 with summarized results for 1918-1928 inclusive
[Washington, D.C.], [U.S. Dept. of Agriculture, Bureau of Plant Industry, Office of Cereal Crops and Diseases], [1929]
1928
U.S. Department of Agriculture, National Agricultural Library
U.S. Department of Agriculture, National Agricultural Library
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