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Pittsburgh Liberty Tunnels South Portal construction Jul 5 1921
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Pittsburgh Liberty Tunnels Southern Portals Aug 30 1923
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Pittsburgh Liberty Tunnels South Portals West Liberty Avenue Saw Mill Run Boulevard intersection 1968
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Pittsburgh Liberty Tunnels Northern Portal 1925 - No McArdle Roadway or Liberty Bridge
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Pittsburgh North Portal of the Liberty Tunnels Jun 7 1974
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Pittsburgh Downtown Liberty Bridge 1951
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Pittsburgh Beechview Liberty Tunnels South Portal
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Pittsburgh Liberty Bridge looking towards Mount Washington from Downtown early 1900s
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Pittsburgh Liberty Tunnel Southern portal construction Bandi house newspaper clipping Jul 1923
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Pittsburgh Liberty Tunnels construction steam shovel on rails colorized 1921
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Pittsburgh Liberty Tunnels construction southern portals with east tube concrete support wall colorized 1921
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Pittsburgh Liberty Tunnels construction southern portals colorized Apr 1921
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Pittsburgh Liberty Tunnels construction boring process colorized 1921
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Pittsburgh Liberty Bridge looking towards Mount Washington colorized Aug 1928
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Pittsburgh Liberty Bridge Downtown north off-ramp retaining wall construction colorized 1927
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Pittsburgh Liberty Bridge construction two ends being joined colorized Jun 15 1927
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Pittsburgh Downtown northern exit and entrance to Liberty Bridge at Forbes Avenue colorized 1951
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Pittsburgh Liberty Bridge looking north from northern portal rush hour traffic 1951
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Pittsburgh Liberty Tunnels interior construction colorized Apr 1921
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Pittsburgh Liberty Tunnels interior construction 1 colorized Apr 1921
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Pittsburgh Liberty Tunnels Southern Portals under construction Apr 1921
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Pittsburgh Liberty Tunnels construction Pittsburgh Post newspaper article Apr 25 1921
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Pittsburgh West Liberty Avenue looking north towards Warrington Avenue and future location of the Liberty Tunnels southern portal 1918
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Pittsburgh Liberty Tunnels southern portals under construction circa 1921
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Pittsburgh Proposed reconstructed Liberty Tunnels Northern Interchange May 1958
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Pittsburgh Proposed Liberty Tunnels south interchange called Liberty Plaza 1938
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Pittsburgh Liberty Bridge opening Apr 1928
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Pittsburgh Liberty Tunnels Southern Portals under construction 1921
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Pittsburgh Liberty Tunnels Northern Portal Traffic Circle 1932
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Pittsburgh Liberty Bridge under construction in 1928
