This is a nano cache near a Union Hall. Depending of the time of day, and day of the week, this location could be flooded with muggles. Be weary, use stealth, and replace exactly as you found it.
This Union Local has tons of history, dating back to 1962.
On a side note, there was a recent death on the corner of the building. Please show respect to anyone visiting, and feel free to leave flowers.
Links to the history of the Local and to the recent death are listed below.
Happy hunting.
http://www.uaw848.org/archives.htm
http://www.wfaa.com/news/local/dallas-county/one-dead-in-fiery-grand-prairie-crash/36385457
Congrats to txdiver55 for the FTF!