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Unknown Name: Unknown
Collection: Vogel Slide Collection
Site: UNIDENTIFIED
Unit: 7
Piece: 4-62
Structure: Bridge
Photo credit: Robert M. Vogel
Photo date: 0000-00-00
Notes: Historic cross-section of a wooden box-like bridge with railroad tracks on the top. Very similar to Roebling's Niagara Bridge. Wood-cut from a German publication.