It was in the September 2000 issue.  You can download a pdf at www.sciamarchive.com.
--Todd Happer
Scientific American

On 11/19/01, Aaron Goldblatt <[log in to unmask]> wrote:
>
>There was an interesting article a year or two ago in Scientific 
>American on the structural repairs to the Falling Water building.  
>As I recall, they had a few clever ways to measure the continuing 
>movement of the cantilevered floors over significant periods of time.  
>You probably have copies of that article somewhere in your archive.
> 
>Aaron Goldblatt
>
>-----Original Message-----
>From: Museum discussion list [mailto:[log in to unmask]]On 
>Behalf Of Susan Lerner
>Sent: Monday, November 19, 2001 12:24 PM
>To: [log in to unmask]
>Subject:
>
>
>Does anyone know if there are devises and or gauges that are able 
>to monitor shifts or pre-existing cracks in building walls or foundations? 
>Thanks,
>Susan Lerner
>Collections Manager
>Frank Lloyd Wright Preservation Trust

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