Conrail Bridge, Spanning Hackensack River, Kearny, Hudson County, NJ
Significance: This structure is one of a series of bridges constructed in the early twentieth century to carry railroad lines through northern New Jersey towards New York City. It is a vertical lift bridge, bu... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Tremont Station Bridge, Pierceville Road, spanning Conrail tracks, War...
Significance: The Tremont Station Bridge is one of the oldest metal truss bridges in Massachusetts and the earliest to incorporate J.H. Linville's wide, upset-ended eyebars, a feature which would become standar... More
Allegheny Portage Railroad, Staple Bend Tunnel, Conemaugh Borough, Eas...
Significance: The Staple Bend Tunnel is proclaimed to be the first railroad tunnel in the United States. Survey number: HAER PA-240 Building/structure dates: ca. 1830 Initial Construction National Register o... More
Allegheny Portage Railroad, Staple Bend Tunnel, Conemaugh Borough, Eas...
Significance: The Staple Bend Tunnel is proclaimed to be the first railroad tunnel in the United States. Survey number: HAER PA-240 Building/structure dates: ca. 1830 Initial Construction National Register o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More