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An image of the excavation of land beside the Boulevard of the Allies for the Liberty Bridge's northern approach. The Try Street Terminal can be seen in the background.</div>
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Allegheny County Photography Department</div>
<a rel="nofollow" class="external free" href="https://historicpittsburgh.org/islandora/object/pitt:20180813-hpichswp-0101/">https://historicpittsburgh.org/islandora/object/pitt:20180813-hpichswp-0101/</a>