 The 24 paired , fluted columns are the same height as the original peristyle . However , the structure was scaled down to an 80 @-@ foot ( 24 @.@ 4 m ) diameter in order to accommodate the accessible ramp that runs behind the monument . Each of the limestone columns is cut from an Indiana quarry and made of five 2 @,@ 200 pounds ( 997 @.@ 9 kg ; 157 @.@ 1 st ) sections reinforced by steel rods and plates . The fountain in front of the monument is a bronze @-@ cast replica of the finials that adorn the Wrigley Building . The brass spout was made from a mold of a terra cotta <unk> on the Wrigley Building . 
