At head of title: U.S. Department of Agriculture, Bureau of Chemistry.
Object of the investigation. pp. 7 -- Grapes grown in Ohio and New York. pp. 8 -- Grapes grown in Virginia, 1908-1910. pp. 18 -- Tabulation of analytical data on samples collected at Sandusky, Ohio : Data for 1908 -- Data for 1909 -- Data for 1910. pp. 20 -- Tabulation of analytical data on samples grown and analyzed at Charlottesville, Va. pp. 35