ikipedia.org/wiki/Indiana" title="Indiana">Indiana</a></td>
<td>1950</td>
<td>1954</td>
<td>Designated a <a href="//en.wikipedia.org/wiki/National_Historic_Landmark" title="National Historic Landmark">National Historic Landmark</a> in 2000</td>
<td><a href="//en.wikipedia.org/wiki/File:Irwin_Union_exterior.JPG" class="image"><img alt="Irwin Union exterior.JPG" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Irwin_Union_exterior.JPG/150px-Irwin_Union_exterior.JPG" width="150" height="113" srcset="//