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Archival description
Railroad--Signaling
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Signals and Signs
US WaBuPNRA D0036-004-014-003-005 · Subseries Level 3 · 1958-2008
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
Signals and Signs
US WaBuPNRA D0011-004-014-003-005 · Subseries Level 3 · circa 1942-1968
Part of James M. Fredrickson Collection

The James Fredrickson Collection Northern Pacific Railroads - Maintenance and Repair subseries is a compilation of photographs of Northern Pacific Railroad section houses and other structures related to track and right of way maintenance.

 Fredrickson, James M.
Signals and Signs
US WaBuPNRA D0036-001-014-003-005 · Subseries Level 3 · 1958-2008
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
Signals
US WaBuPNRA D0288-003-014-003-005 · Subseries Level 3 · undated
Part of Terence Wahl Collection

Still photographs of railroad signal equipment.
Signals
US MnSpGNR D0036-003-014-003-005 · Subseries Level 3 · July 29, 1982-August 5, 1994
Part of George Werkema Collection

Still photographs of railroad signal equipment.
Signals
US WaBuPNRA D0063-004-014-003-005 · Subseries Level 3
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.
Signals
US WaBuPNRA D0011-001-014-003-005 · Subseries Level 3 · 1970-1982
Part of James M. Fredrickson Collection

Still photographs of railroad signal equipment.

 Fredrickson, James M.
Signals
US WaBuPNRA D0153-001-014-003-005 · Subseries Level 3 · September 7, 1970
Part of Doug Wingfield Collection

Still photographs of railroad signal equipment.