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This is an image of a place or building that is listed on the National Register of Historic Places in the United States. Its reference number is 78000757.

English: Picture of the San Francisco City Hall after seismic retrofit with the help of base isolation
Date 2008-11-28 (original upload date)
(Original text : July 2007)
Source Transferred from en.wikipedia; transferred to Commons by User:Masur using CommonsHelper.
(Original text : I created this work entirely by myself.)
Author Cabe 6403 ( Talk• Sign!) Original uploader was Cabe6403 at en.wikipedia
( Reusing this file)

CC-BY-SA-3.0; Released under the GNU Free Documentation License.

Object location

37° 46′ 46.20″ N, 122° 25′ 3.36″ W

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