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Part of George Werkema Collection
Railroad signal and sign photographs from the George Werkema Collection of Northern Pacific Railroad Company subjects in locations across the western United States.
Werkema, George
Part of George Werkema Collection
Railroad signal and sign photographs from the George Werkema Collection of Burlington Northern Railroad Company subjects in locations across the western United States.
Werkema, George
Part of Doug Wingfield Collection
Still photographs of railroad signal equipment.
Part of James M. Fredrickson Collection
Still photographs of railroad signal equipment.
Fredrickson, James M.
Part of Terence Wahl Collection
Still photographs of railroad signal equipment.
Part of Walter W. Ainsworth Collection
The Signals portion of Northern Pacific Railroad photographs of the Walter W. Ainsworth Collection includes photographs of railroad signals and signs in the Pacific Northwest.
Part of Great Northern Railway- Blueprint-Authorization for Expenditure Collection
An engineering drawing of a railroad structure or device used for signaling.
Part of Great Northern Railway- Blueprint-Authorization for Expenditure Collection
An engineering drawing of a railroad structure or device used for signaling.
An engineering drawing of a railroad structure or device used for signaling.
Part of Great Northern Railway Historical Society Standard Signal Plans Collection
An engineering drawing of a railroad structure or device used for signaling.