Dorsett Studios:
Steel Valley
Dorsett Studios:
Rooftops of Braddock
Dorsett Studios:
U.S.S. Edgar Thomson works
Dorsett Studios:
Braddock,PA.
Dorsett Studios:
U.S. Steel's J. Edgar Thomson "E.T." Mon. Valley Works, Braddock, PA.
Dorsett Studios:
U.S.Steel: J. Edgar Thomson Works
Dorsett Studios:
Overview of Edgar Thomson steel mill
Dorsett Studios:
Edgar Thomson works
Dorsett Studios:
U.S.Steel Edgar Thomson works
Dorsett Studios:
U.S.Steel Edgar Thomson Works
Dorsett Studios:
Edgar Thomson Works
Dorsett Studios:
U.S.Steel Edgar Thomson Works
Dorsett Studios:
U.S.Steel Edgar Thomson works
Dorsett Studios:
Edgar Thomson works in Braddock,PA.
Dorsett Studios:
Edgar Thomson works
Dorsett Studios:
E.T. No.10 switch engine
Dorsett Studios:
U.S.S. Edgar Thomson Works
Dorsett Studios:
U.S.Steel Edgar Thomson Works
Dorsett Studios:
U. S. S. Edgar thomson Works
Dorsett Studios:
E.T. Mon Valley Works
Dorsett Studios:
Edgar Thompson works
Dorsett Studios:
U.S.Steel Edgar Thomson Works
Dorsett Studios:
Edgar Thomson Works
Dorsett Studios:
J. Edgar Thomson Works
Dorsett Studios:
Blast furnace at Edgar Thomson works
Dorsett Studios:
Edgar Thomson Works. U.S.Steel
Dorsett Studios:
Edgar Thomsom Plant; Lock #2, and the George Westinghouse bridge
Dorsett Studios:
U.S. Steel Mon Valley Works. E.T. Plant
Dorsett Studios:
Mon. Valley works E.T. Plant
Dorsett Studios:
Gas flare at Edgar Thomson
