Northern Pacific 49.5-foot, 3-bay, covered hopper car number 76737 in a yard at Albuquerque, New Mexico, on August 26, 1979. The car is part of the 76700-76999 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 49.5-foot, 3-bay, covered hopper car number 76717 on a siding at Amarillo, Texas, on December 12, 1979. The car is part of the 76700-76999 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 49.5-foot, 3-bay, covered hopper car number 76717 on a siding at Amarillo, Texas, on December 12, 1979. The car is part of the 76700-76999 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 49.5-foot, 3-bay, covered hopper car number 76561 on a siding at Amarillo, Texas, on August 6, 1980. The car is part of the 76543-76642 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 35.75-foot, 2-bay, covered hopper car number 76502 on a siding at Amarillo, Texas, on August 6, 1980. The car is part of the 76500-76529 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 35.75-foot, 2-bay, covered hopper car number 76502 on a siding at Amarillo, Texas, on August 6, 1980. The car is part of the 76500-76529 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 57.25-foot, 3-bay, covered hopper car number 76482 in a yard at Albuquerque, New Mexico, on May 21, 1980. The car is part of the 76400-76499 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 57.25-foot, 3-bay, covered hopper car number 76481 in a siding at Plainview, Texas, on September 2, 1985. The car is part of the 76400-76499 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 57.25-foot, 3-bay, covered hopper car number 76466 in a yard at Hastings, Nebraska, on July 26, 1990. The car is part of the 76400-76499 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car

Northern Pacific 57.25-foot, 3-bay, covered hopper car number 76440 in a yard at Pasco, Washington, on October 20, 1986. The car is part of the 76400-76499 number series. Photo by GJ Werkema. Other subject classes: freight car, covered hopper car