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
