May 17th, 2016 9:38pm
Posted on Tumblr over 10 years ago and archived here at /tumblr/2016/05/17/post-144538716503/ in the Tumblr collection.
| newer | Post #144577403848 | 19 May 2016 |
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| this post | Post #144538716503 | 18 May 2016 |
| older | tucec9: A billboard at the edge of Oak Ridge, TN, where US citizens secretly mined uranium for the Manhattan Project. | 17 May 2016 |
| newer | Post #144577403848 | 19 May 2016 |
|---|---|---|
| this post | Post #144538716503 | 18 May 2016 |
| older | tucec9: A billboard at the edge of Oak Ridge, TN, where US citizens secretly mined uranium for the Manhattan Project. | 17 May 2016 |