11. Monongahela River Bridge Collection: Images from the Rare Book and Manuscript Collections Date: 1851-1852 Format: Image
12. [Genesee River Viaduct] River at Portage, NY, Buffalo and New York City Railroad Collection: Images from the Rare Book and Manuscript Collections Date: 1852 Format: Image
13. Viaduct towers. Collection: Images from the Rare Book and Manuscript Collections Location: Portage, NY Date: 1852 Format: Image Creator: Cooper, Theodore, 1839-1919
14. Kinzua Viaduct--general elevation, 1882 (2 of 2) Collection: Images from the Rare Book and Manuscript Collections Date: 1882 Format: Image Creator: Cooper, Theodore, 1839-1919
15. Kinzua Viaduct--general elevation, 1882 (1 of 2) Collection: Images from the Rare Book and Manuscript Collections Date: 1882 Format: Image Creator: Cooper, Theodore, 1839-1919
16. Yahima River Bridge Collection: Images from the Rare Book and Manuscript Collections Date: 1886 Format: Image
17. Kinzua Viaduct--details of connections Collection: Images from the Rare Book and Manuscript Collections Location: Phoenixville, Chester, Pennsylvania, United States Date: 1893 Format: Image Creator: Cooper, Theodore, 1839-1919
