Abstract Pictorial map of the United States, depicting the chief food products of each of the then-48 states, illustrated with cartoon representations of workers and consumers. Four inset maps depict sources of poultry, grains, meat and fish; and the geographic extent of the A&P grocery chain, including warehouse and buyer locations. Produced for the 1933 Chicago World's Fair ("A Century of Progress"), the map is accompanied by promotional text extolling advances in commercial food...