<p>Lower 9th Ward of New Orleans: Geodetic Survey marker in portion of intact concrete floodwall just south of Florida Avenue.
At bottom of photo my "Katrina shoes" are seen; I wore these when walking in the more devastated areas.
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Photo by <a href="//commons.wikimedia.org/wiki/User:Infrogmation" title="User:Infrogmation">Infrogmation</a>, December, 2005
<a href="//commons.wikimedia.org/wiki/User:Infrogmation" title="User:Infrogmation">Infrogmation</a>, December, 2005
CC BY 2.5
<a href="//commons.wikimedia.org/wiki/User:Infrogmation" title="User:Infrogmation">Infrogmation</a>, December, 2005