 | Distribution of the varieties and classes of wheat in the United States in 1954 | (1) |
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 | Distribution of the varieties and classes of wheat in the United States in 1954 / by S.C. Salmon and L.P. Reitz. Salmon, S. C. (Samuel Cecil), 1885- 4n Washington, D.C. : U.S. Dept. of Agriculture , 1957. | |
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