Dorsett Studios: Night Street bridge
Dorsett Studios: 9th Street Bridge
Dorsett Studios: Downtown Pittsburgh
Dorsett Studios: Lenticular Truss Smithfield St. bridge
Dorsett Studios: Smithfield St. Bridge portal sculpture
Dorsett Studios: Smithfield st. Bridge sculpture
Dorsett Studios: Smithfield st. Bridge
Dorsett Studios: Ft. Wayne Railroad bridge
Dorsett Studios: Ft. Wayne Rail road bridge
Dorsett Studios: Ft. Wayne railroad bridge.
Dorsett Studios: Ft. Wayne Railroad bridge
Dorsett Studios: Upper deck of Ft. Wayne Railroad bridge
Dorsett Studios: Jones & Laughlin steel - Hot Metal bridges
Dorsett Studios: J. & L. Hot metal bridge
Dorsett Studios: Carrie furnace in early spring
Dorsett Studios: Pinkerton landing bridge
Dorsett Studios: Bridge at Carrie furnace
Dorsett Studios: Hot metal bridge
Dorsett Studios: Hot metal bridge at Carrie furnace
Dorsett Studios: Carrie furnace Hot metal bridge
Dorsett Studios: Carrie furnace: Hot Metal bridge
Dorsett Studios: Carrie furnace, Hot Metal bridge
Dorsett Studios: Hot metal bridge
Dorsett Studios: Hot metal bridge
Dorsett Studios: Hot metal bridge train track
Dorsett Studios: Union Rail Road bridge
Dorsett Studios: Port Perry bridge
Dorsett Studios: Westinghouse bridge and Turtle creek valley
Dorsett Studios: Bridges over bridges
Dorsett Studios: PA. R.R. bridge