This document is undated, so a default date of 1889 is used.Excerpt from the Description of the Harper's Ferry Bridge - 2 page
This document is undated, so a default date of 1889 is used.List of Bridges and Spans - 3 page
This document is undated, so a default date of 1889 is used.Spans of Railroad Bridge
This document is undated, so a default date of 1889 is used.Description of Bridges and excerpts from...
This document is undated, so a default date of 1889 is used.Excerpt from Encyclopaedia of Civil Engi...
This document is undated, so a default date of 1889 is used.Description of Bridges over the Connecti...
This document is undated, so a default date of 1889 is used.Historical Notes on Bridges - 2 page
This document is undated, so a default date of 1889 is used.Excerpts from a presentation n Philadelp...
This document is undated, so a default date of 1889 is used.Note about Erie Railroad Bridge
This document is undated, so a default date of 1889 is used.Description of a Photograph of the Essex...
This document is undated, so a default date of 1889 is used.Notes on Bridges - 3 page
This document is undated, so a default date of 1889 is used.Note about New York Railroad bridge
This document is undated, so a default date of 1889 is used.List of Bridges on the Maine Central Rai...
This document is undated, so a default date of 1889 is used.History of Bridge over the Merrimac Rive...
This document is undated, so a default date of 1889 is used.Description of Floating Log Bridge on th...
This document is undated, so a default date of 1889 is used.Sketch of connections for Bridge
This document is undated, so a default date of 1889 is used.List of Bridges and Spans - 3 page
This document is undated, so a default date of 1889 is used.Spans of Railroad Bridge
This document is undated, so a default date of 1889 is used.Description of Bridges and excerpts from...
This document is undated, so a default date of 1889 is used.Excerpt from Encyclopaedia of Civil Engi...
This document is undated, so a default date of 1889 is used.Description of Bridges over the Connecti...
This document is undated, so a default date of 1889 is used.Historical Notes on Bridges - 2 page
This document is undated, so a default date of 1889 is used.Excerpts from a presentation n Philadelp...
This document is undated, so a default date of 1889 is used.Note about Erie Railroad Bridge
This document is undated, so a default date of 1889 is used.Description of a Photograph of the Essex...
This document is undated, so a default date of 1889 is used.Notes on Bridges - 3 page
This document is undated, so a default date of 1889 is used.Note about New York Railroad bridge
This document is undated, so a default date of 1889 is used.List of Bridges on the Maine Central Rai...
This document is undated, so a default date of 1889 is used.History of Bridge over the Merrimac Rive...
This document is undated, so a default date of 1889 is used.Description of Floating Log Bridge on th...
This document is undated, so a default date of 1889 is used.Sketch of connections for Bridge
This document is undated, so a default date of 1889 is used.List of Bridges and Spans - 3 page
This document is undated, so a default date of 1889 is used.Spans of Railroad Bridge
This document is undated, so a default date of 1889 is used.Description of Bridges and excerpts from...