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By: Farrell, George E. - United States. Department of Agriculture. - United States. Office of Cooperative Extension Work. - United States. Office of Extension Work in the North and West.Edition:Publication info: Washington, BG.P.O, 1915Volume: no.10 (1915)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Potato growersBHL Collections: