https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/In_1938_Holland_had_over_1%2C5_million_milk_cows%2C_producing_on_an_average_1000_gal%2C_Bestanddeelnr_935-2090.jpg/114px-In_1938_Holland_had_over_1%2C5_million_milk_cows%2C_producing_on_an_average_1000_gal%2C_Bestanddeelnr_935-2090.jpg