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About: Pennsylvania Canal Tunnel     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: Thingcompanyinfrastructureroute of transportationyago:WikicatCanalTunnelsInTheUnitedStatesyago:WikicatTunnelsCompletedIn1829yago:WikicatTunnelsInPennsylvaniageo:SpatialThingwaterway tunnelarchitectural structureyago:Artifact100021939yago:Object100002684yago:Passage103895293yago:Passageway103895585yago:PhysicalEntity100001930yago:YagoGeoEntityyago:YagoPermanentlyLocatedEntityyago:Tunnel104497962yago:Way104564698yago:Whole100003553 New Facet based on Instances of this Class

The Pennsylvania Canal Tunnel was the Pittsburgh terminus of the Pennsylvania Main Line of Public Works, a transportation system that involved other early tunnels. Construction was authorized February 8, 1827, and the tunnel was completed November 10, 1829. The canal crossed the Allegheny River on a covered bridge aqueduct, later replaced by John A. Roebling's first suspension bridge, the Allegheny Aqueduct., the canal traveled underground through most of downtown Pittsburgh, under Grant's Hill, to end in a lock leading to the Monongahela River. The original plan was to connect with the C&O canal at the Monongahela River, but that canal never reached its expected western end, and the tunnel's main use was to allow overflow from the canal to enter the Monongahela. Only one or two canal boat