Double Wood Stave Silo manufactured by Beaver Box and Silo. Oak Grove, Dodge County

"... farmers (in the northern climates) were unable to participate in higher-priced markets for milk. The silo transformed diary farming by allowing animals to be fed green fodder year-round wich encouraged cows to give milk through the winter.” (The Rise and Fall of Silos by Jennifer Gallus, Farm Horizons November 2007).