Thread: CHICAGO | AON center | 1,136 FT / 346 M | 83 FLOORS | 1973
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  #180  
Old Posted Mar 18, 2012, 9:27 AM
ri89 ri89 is offline
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Join Date: Jan 2012
Posts: 14
Hi! Has anyone the construction details of the Aon Centre? It's very important!!!!

Thanks
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