1. Tray Run Viaduct; Baltimore and Ohio Railroad; Elevation and Cross-Section Collection: Images from the Rare Book and Manuscript Collections Format: Image
2. Cascade-Glen Arch Bridge - Left-hand View Collection: Images from the Rare Book and Manuscript Collections Date: 1848 Format: Image Creator: Adams, Julius W
3. Cascade-Glen Arch Bridge - Right-hand View Collection: Images from the Rare Book and Manuscript Collections Date: 1848 Format: Image Creator: Adams, Julius W
4. Viaduct towers. Collection: Images from the Rare Book and Manuscript Collections Location: Portage, NY Date: 1852 Format: Image Creator: Cooper, Theodore, 1839-1919
5. [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
