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By: Chace, E. M. (Edward Mackay), - Wilson, C. P. (Clarence Paret), - Church, C. G. (Calvin Grant),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921Volume: no.993 (1921)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: