North Braddock in Allegheny County, Pennsylvania — The American Northeast (Mid-Atlantic)
Edgar Thomson Plant
U.S. Steel Mon Valley Works
Photographed by William Fischer, Jr., May 27, 2023
1. Edgar Thomson Plant Marker
The Materials Information Society
Has Designated
Edgar Thomson Plant
U.S. Steel Mon Valley Works
An Historical Landmark
Erected 1994 by ASM International The Materials Society.
Topics and series. This historical marker is listed in this topic list: Industry & Commerce. In addition, it is included in the ASM International Historical Landmarks series list.
Location. 40° 23.822′ N, 79° 51.574′ W. Marker is in North Braddock, Pennsylvania, in Allegheny County. It can be reached from Braddock Avenue, on the right when traveling west. Touch for map. Marker is at or near this postal address: 1300 Braddock Avenue, Braddock PA 15104, United States of America. Touch for directions.
Regionally, this marker is in Greater Pittsburgh. It is also in the American Northeast, in the Mid-Atlantic, in the Ohio River Valley, in Appalachia, and specifically in Northern Appalachia. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the Viceroyalty of New France, the Haudenosaunee (Iroquois) Confederacy, and one of the original Thirteen Colonies.
Other nearby markers. At least 8 other markers are within walking distance of this marker: Braddock's Spring (here, next to this marker); Out of This Furnace (a few steps from this marker); War Memorial (within shouting distance of this marker); In Memory of (within shouting distance of this marker); Joe Magarac 1940
this page online
Photographed by Allen C. Browne, October 13, 2016
2. Edgar Thomson Plant Marker
This bronze plaque is hard to see through its decaying plastic cover.
Photographed by Allen C. Browne, October 13, 2016
3. Edgar Thomson Plant Marker
Photographed by Allen C. Browne, October 13, 2016
4. Andrew Carnegie
Nov. 25, 1835 - Aug. 11 1919
Nov. 25, 1835 - Aug. 11 1919
Steel industrialist, philanthropist, and writer. Founder of Carnegie, McCandless & Co. in 1873, and Carnegie's first steel mill, the Edgar Thomson works in 1875.Close-up of photo on marker
Photographed by Allen C. Browne, October 13, 2016
5. J. Edgar Thomson
Feb. 10, 1808 - May 27, 1874
Feb. 10, 1808 - May 27, 1874
Third president of the Pennsylvania Railroad, after whom Andrew Carnegie and his associates name the Edgar Thomson Steel Works at Bessemer near Pittsburgh. Close-up of photo on marker
Photographed by Allen C. Browne, October 13, 2016
6. USS Edgar Thomson Works
Marker can be seen behind the "Last Slab Rolled."
Photographed by Allen C. Browne, October 13, 2016
7. Steel Rails
Photographed by Allen C. Browne, October 13, 2016
8. Last Slab Rolled 10-31-92
Photographed by Allen C. Browne, October 13, 2016
9. First Slab Cast 8-9-92
Photographed by Allen C. Browne, October 13, 2016
10. USS
United States Steel Corporation
Edgar Thomson Plant
Since 1875
United States Steel Corporation
Edgar Thomson Plant
Since 1875
Photographed by Allen C. Browne, October 13, 2016
11. Edgar Thomson Plant
Breathing Fire
Breathing Fire
Photographed by William Fischer, Jr., May 27, 2023
12. Edgar Thomson Plant Lost Workers Marker
Credits. This page was last revised on May 31, 2023. It was originally submitted on November 8, 2016, by Allen C. Browne of Silver Spring, Maryland. This page has been viewed 1,106 times since then and 70 times this year. Photos: 1. submitted on May 31, 2023, by William Fischer, Jr. of Reynoldsburg, Ohio. 2, 3, 4, 5, 6, 7. submitted on November 8, 2016, by Allen C. Browne of Silver Spring, Maryland. 8, 9, 10. submitted on November 10, 2016, by Allen C. Browne of Silver Spring, Maryland. 11. submitted on November 11, 2016, by Allen C. Browne of Silver Spring, Maryland. 12. submitted on May 31, 2023, by William Fischer, Jr. of Reynoldsburg, Ohio. • Bill Pfingsten was the editor who published this page.
