At Pacific Northwest Railroad Archive, a still photograph of railroad rolling stock, typically locomotives, cars or maintenance of way support cars, and including railroad-owned buses and trucks.
LC Subject Authority Heading Railroads--Equipment and supplies https://lccn.loc.gov/sh85110962
UF Equipment
The Dan Mathews Collection includes photographs of Northern Pacific locomotives and other subjects, Northern Pacific ephemera and railroad artifacts.
Mathews, Daniel A.
Builder's photo of Death Valley Railroad number 1 steam locomotive, a narrow-gauge Baldwin 2-8-0 (construction number 41473) at Philadelphia, Pennsylvania, circa 1925. Photo by Baldwin Locomotive Works, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, builder's photo.
Deep River Logging Company steam locomotive number 7 at Deep River, Washington, circa 1948. Deep River number 7, a Baldwin 2-4-4-2 built in 1909, at the log dump. J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive.
Delaware and Hudson boxcar 18817 at Bellingham, Washington in freight train; Mount Baker Plywood in background. Other subject categories: Car-Freight, Car-Box, Freight
Delaware, Lackawanna and Western boxcar 43713 at Bellingham, Washington "Phoebe Snow" script on car, photograph taken in or near the Great Northern yard. Other subject categories: Car-Freight, Car-Box, Freight
Delta Alaska Terminal Railroad diesel locomotive number 1 with a cut of cars at New Westminster, British Columbia on May 17, 1974. The locomotive was built by Baldwin. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive
Delta Alaska Terminal Railroad diesel locomotive number 1 with a cut of cars at New Westminster, British Columbia on May 17, 1974. The locomotive was built by Baldwin. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive
Denver & Rio Grande Western Railroad diesel locomotive 3106 and 3079 with a freight train at Provo, Utah in 1985. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive
Denver & Rio Grande Western Railroad diesel locomotive 3117 at Provo, Utah on September 14, 1985. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive
Denver & Rio Grande Western Railroad diesel locomotive 5484 with a passenger train in Colorado, circa 1968. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive