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The William Raymond Prom Memorial Bridge, commonly known as the 31st Street Bridge, is an arch bridge that carries vehicular traffic across the Allegheny River between the Pittsburgh neighborhoods of Troy Hill and the Strip District. The bridge passes over, but does not serve, Washington's Landing, which is connected to the mainland by the 30th Street Bridge.

The Western Pennsylvania Conservancy (WPC) is a private nonprofit conservation organization founded in 1932 and headquartered in Pittsburgh, PA. WPC has contributed land to 12 state parks and conserved more than a quarter million acres of natural lands. The Conservancy plants and maintains more than 132 gardens in 20 Western Pennsylvania counties, as well as planting thousands of trees through its community forestry program.

The 33rd Street Railroad Bridge is a truss bridge that carries the Allegheny Valley Railroad on the P&W Subdivision over the Allegheny River in downtown Pittsburgh, Pennsylvania, United States.

The Troy Hill Incline, also known as the Mount Troy Incline, was a funicular railway located in old Allegheny, Pennsylvania, which is now the North Side of the city of Pittsburgh. Built by Gustav Lindenthal or Samuel Diescher, the incline was one of only a few funiculars constructed on the north side of Pittsburgh.

The 30th Street Bridge, is a girder bridge that carries vehicular traffic across the Allegheny River between the Pittsburgh neighborhoods of Troy Hill and Herrs Island (known by the moniker of Washington's Landing). This is the fourth bridge that has stood on this site. A wooden 19th Century bridge was washed away during an 1882 flood.