1947 Press Photo Crib for Chicago's Water Supply on Lake Michigan - mja54872

The ancient structure shown above is not a medieval redoubt. It is one of the cribs which house the intakes for Chicago's water supply. The intakes are close to the bottom of Lake Michigan, so there is no chance of flotsam being drawn into the mains. The

Photo is dated 1947.

Photo measures 9 x 7.25 inches.

Photo back: