Charts included: Adjusted Value per Head of Milk Cows and Cattle other than Milk Cows, 1875-1935 -- Number of All Cattle on Farms, Jan. 1, 1890 to Date -- Number of Milk Cows on Farms, Jan. 1, 1890 to Date -- Number of Milk Cows 2 Years Old and Over, Jan. 1, 1920 to Date -- Cows, Heifers, and Calves Being Kept for Milk Cows, U.S., Jan. 1, 1920 to Date -- Cows and Heifers Slaughtered Under Federal Inspection, United States, 1922 to Date – Milk Production per Cow and Total Milk Production in the United States, 1924 to Date -- Production of Manufactured Dairy Products, Milk Equivalent Basis, United States, 1849 to Date -- Per Capita Production and Consumption of Manufactured Dairy Products, Milk Equivalent Basis, United States 1849 to Date -- Price of Butter and Consumption Per Capita of Oleomargarine July 1, 1891 - June 30, 1935 -- Pounds of Feed Grain One Pound of Butterfat Will Buy (Based on Farm prices) U.S. Average -- Pounds of Veal Calves Equivalent in Price to One Pound of Butterfat, 1910 to Date -- Pounds of Beef Cattle Equivalent in Price to One Pound of Butterfat, 1910 to Date -- Pounds of Hogs Equivalent in Price to One Pound of Butterfat, 1910 to Date -- Wholesale Feedstuff Prices, July 1921 to Date -- Fluid Milk Consumption in Boston, New York, and Philadelphia and Consumption of Fluid Milk and Cream in Cities and Villages, United States, 1930 to Date -- Fluid Cream Consumption in Boston, New York, and Philadelphia, 1930 to Date -- Consumption of Dairy Products, United States, 1925 to Date -- Retail Prices of Fresh Milk, Evaporated Milk, and All Foods. United States, 1921 to Date -- Retail Prices of Butter, Cheese, and Oleomargarine, United States, 1921 to Date.