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By: Hays, W. M. (Willet Martin), - Boss, Andrew, - Cooper, Thomas P. (Thomas Poe), - Wilson, A. D. (Archie Dell), - Minnesota Agricultural Experiment Station.Edition:Publication info: Washington, Govt. Print. Off, 1912Volume: no.236 (1912)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: