Pittsburgh Area Steel Mills
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127 Total Pictures
Edgar Thompson Works, Night Fireworks 11-88
![architecture #90](http://www.rpruschak.com/gallery/pittsburghareasteelmills/99.jpg)
Edgar Thompson Works with a Lock and Westinghouse Bridge 9-88
![architecture #91](http://www.rpruschak.com/gallery/pittsburghareasteelmills/98.jpg)
Edgar Thompson Works with Lock and Dam 8-89 LF
![architecture #92](http://www.rpruschak.com/gallery/pittsburghareasteelmills/120.jpg)
Kennywood and Edgar Thompson Works 7-81 SF152-42
![architecture #93](http://www.rpruschak.com/gallery/pittsburghareasteelmills/29.jpg)
USS Duquesne Works, Dorothy 6 Blast Furnace SF132-31 3/81
![architecture #94](http://www.rpruschak.com/gallery/pittsburghareasteelmills/51.jpg)
Dorothy 6 Blast Furnace, Duquesne Works 3-81 SF132-27
![architecture #95](http://www.rpruschak.com/gallery/pittsburghareasteelmills/111.jpg)
Duquesne Works with Dorothy 6 3-88 LF
![architecture #96](http://www.rpruschak.com/gallery/pittsburghareasteelmills/121.jpg)
USS Duquesne Works, Dorothy Furnace SF257-30 11/82
![architecture #97](http://www.rpruschak.com/gallery/pittsburghareasteelmills/53.jpg)
Dorothy 6 Blast Furnace, Duquesne Works 4-88
![architecture #98](http://www.rpruschak.com/gallery/pittsburghareasteelmills/93.jpg)
Dorothy 6, Duquesne Works 3-88 SF539-25
![architecture #99](http://www.rpruschak.com/gallery/pittsburghareasteelmills/55.jpg)