Northern Pacific 41.5-foot, drop-bottom, gondola car number 58352 in a train at Broomfield, Colorado, in September 20, 1976. The car is part of the 58250-58749 number series. Photo by GJ Werkema. Other subject classes: freight car, steel gondola car

Northern Pacific 41.5-foot, gondola car number 53123 in a yard at Denver, Colorado, in October 1974. The car is part of the 53000-53499 number series. Photo by GJ Werkema. Other subject classes: freight car, steel gondola car

Northern Pacific 41-foot, gondola car number 50409 in the display yard at the Northern Pacific Railway Museum, in Toppenish, Washington, on October 21, 2008. The car is part of the 50000-50449 number series. Photo by GJ Werkema. Other subject classes: freight car, steel gondola car

Northern Pacific gondola 59226 at Bellingham, Washington in or near the Great Northern yard. Other subject categories: Car-Freight, Car-Gondola, Freight

Northern Pacific gondola 59155 at Bellingham, Washington. Northern Pacific gondola 59160 partially visible; with tank loads, photograph taken in or near the Great Northern yard. Other subject categories: Car-Freight, Car-Gondola, Freight

Northern Pacific gondola 53867 at Bellingham, Washington with ballast load in Northern Pacific yard. Other subject categories: Car-Freight, Car-Gondola, Freight

Northern Pacific gondola 50716 at Bellingham, Washington on coal loader track. Other subject categories: Car-Freight, Car-Gondola, Freight

Northern Pacific gondola 50650 at Bellingham, Washington at coal loader. Other subject categories: Car-Freight, Car-Gondola, Freight, Locomotive-Terminal

Northern Pacific gondola 50584 at Bellingham, Washington on coal loader track. Other subject categories: Car-Freight, Car-Gondola, Freight

Northern Pacific freight house at Bellingham, Washington looking southwest to rear of Northern Pacific freight house; Northern Pacific main track in alley at far left. Other subject categories: Freight house, Loading Dock, Structure