An engineering drawing of a railroad bridge or its components.
An engineering drawing of a railroad bridge or its components.
An engineering drawing of a railroad bridge or its components.
An engineering drawing of a railroad bridge or its components.
Railroad bridge and trestle photographs from the George Werkema Collection of Burlington Northern Railroad Company subjects in locations across the western United States.
Werkema, GeorgePhotographs of bridges or trestles constructed by a railroad company, typically for the passage of railroad equipment.
Photographs of bridges or trestles constructed by a railroad company, typically for the passage of railroad equipment.
Photographs of bridges or trestles constructed by a railroad company, typically for the passage of railroad equipment.
Photographs of bridges or trestles constructed by a railroad company, typically for the passage of railroad equipment.
The James Fredrickson Collection Northern Pacific Railroad railroad bridges subseries is a compilation of photographs concerned with the Northern Pacific Railroad bridges.
Fredrickson, James M.