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![20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzIwMjEvMDIvMTEvMjAwNzJibC1ncm91cC0xLXNsYXRlZm9yZC1wYS1kZWxhd2FyZS1yaXZlci12aWFkdWN0LWJyaWRnZS1uby0yNzE5LTE5MDgtMTkxMC05YmJmYTUtMTAyNC5qcGc%3D/40/26/webp "20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]")
20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27....
Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.
![20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzIwMjEvMDIvMTEvMjAwNzJibC1ncm91cC0xLXNsYXRlZm9yZC1wYS1kZWxhd2FyZS1yaXZlci12aWFkdWN0LWJyaWRnZS1uby0yNzE5LTE5MDgtMTkxMC1mZjhjNDQtMTAyNC5qcGc%3D/40/26/webp "20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]")
20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27....
Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.
![20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzIwMjEvMDIvMTEvMjAwNzJibC1ncm91cC0xLXNsYXRlZm9yZC1wYS1kZWxhd2FyZS1yaXZlci12aWFkdWN0LWJyaWRnZS1uby0yNzE5LTE5MDgtMTkxMC1hMzdhOTgtMTAyNC5qcGc%3D/40/26/webp "20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]")
20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27....
Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.
![20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzIwMjEvMDIvMTEvMjAwNzJibC1ncm91cC0xLXNsYXRlZm9yZC1wYS1kZWxhd2FyZS1yaXZlci12aWFkdWN0LWJyaWRnZS1uby0yNzE5LTE5MDgtMTkxMC0xOGNhMjEtMTAyNC5qcGc%3D/40/26/webp "20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]")
20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27....
Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.
![20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzIwMjEvMDIvMDUvMjAwNzJibC1ncm91cC0xLXNsYXRlZm9yZC1wYS1kZWxhd2FyZS1yaXZlci12aWFkdWN0LWJyaWRnZS1uby0yNzE5LTE5MDgtMTkxMC1lNzhiMGQtMTAyNC5qcGc%3D/40/27/webp "20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]")
20072.BL-Group 1--Slateford, PA--Delaware River Viaduct Bridge no. 27....
Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.
![20072.BL-Group 2--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzIwMjEvMDIvMTEvMjAwNzJibC1ncm91cC0yLXNsYXRlZm9yZC1wYS1kZWxhd2FyZS1yaXZlci12aWFkdWN0LWJyaWRnZS1uby0yNzE5LTE5MDgtMTkxMC05NjAwNTUtMTAyNC5qcGc%3D/40/26/webp "20072.BL-Group 2--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]")
20072.BL-Group 2--Slateford, PA--Delaware River Viaduct Bridge no. 27....
Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.
![20072.BL-Group 2--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzIwMjEvMDIvMTEvMjAwNzJibC1ncm91cC0yLXNsYXRlZm9yZC1wYS1kZWxhd2FyZS1yaXZlci12aWFkdWN0LWJyaWRnZS1uby0yNzE5LTE5MDgtMTkxMC1mYTk2NzQtMTAyNC5qcGc%3D/40/26/webp "20072.BL-Group 2--Slateford, PA--Delaware River Viaduct Bridge no. 27.19 [1908-1910]")
20072.BL-Group 2--Slateford, PA--Delaware River Viaduct Bridge no. 27....
Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.