Report of John A. Roebling, Civil Engineer to the Presidents and Director of the Niagara Falls Suspension and Niagara Falls Internatinoal Bridge Companies, on the Condition of the Niagara Railway Suspension Bridge

Report of John A. Roebling, Civil Engineer to the Presidents and Director of the Niagara Falls Suspension and Niagara Falls Internatinoal Bridge Companies, on the Condition of the Niagara Railway Suspension Bridge