Delwedd:George Westinghouse Bridge - HAER PA-446 - 314426cu.jpg

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Crynodeb

Disgrifiad George Westinghouse Bridge, spanning Turtle Creek at Lincoln Highway (U.S. Route 30), East Pittsburgh, Allegheny County, Pennsylvania, USA. 1929-1932 Initial Construction. Joseph Elliott, photographer, , summer 1997. This image is in the public domain because it is a product of the United States government: National Register of Historic Places NRIS Number: 77001120. Historic American Engineering Record (Library of Congress). Survey number: HAER PA-446. See: https://www.loc.gov/pictures/item/pa3564/
Dyddiad
Ffynhonnell Daderot
Awdur Historic American Engineering Record (HAER), creator
Caniatâd
(Ailddefnyddio'r ffeil hon)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.

Trwyddedu

Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.

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26 Ionawr 2012

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