Pgh Boats: Barges on the Monongahela
Pgh Boats: Crane on the Monongahela
Pgh Boats: Dredger on the Monongahela
Pgh Boats: River Rescue on the Monongahela
Pgh Boats: River Rescue on the Monongahela
Pgh Boats: Coast Guard on the Monongahela
Pgh Boats: Tug Boat on the Monongahela
Pgh Boats: Tug Boat on the Monongahela
Pgh Boats: Coal Barges on the Monongahela