Northern Pacific Railroad log flatcar, number 21490 at Napavine, Washington, circa 1915. Double load of large timbers with Somerville Brothers crew. Photo by D.P. Hadley, J.M. Fredrickson Collection. Other Subject Classes: flat car.

Northern Pacific Railroad log flat car, number 69318 with a bearden at unknown location, circa 1925. Postcard copy showing novelty carved log with live bear and men. Photo from J.M. Fredrickson Collection. Other Subject Classes: flat car.

Northern Pacific Railroad refrigerator car, number 94372 at Tacoma, Washington, in September 1969. Car 94372, a 42-foot, 3-inch, 80000 lb. capacity ice reefer. Photo by J.M. Fredrickson. Other Subject Classes: ice refrigerator car.

Northern Pacific mechanical refrigerator car NPM 496 in a train at an unknown location on May 16, 1971. The car is part of the 450-499 number series. Photo by William Eley in the GJ Werkema collection. Other subject classes: freight car, mechanical-refrigerator car

Northern Pacific steam locomotive 2196 at South Tacoma, Washington, on July 17, 1934. The remains of Number 2196, a class Q-4 built by Baldwin in 1909, is loaded on flat car number 65162 at South Tacoma. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, scrapping yard

A train crew member walks the top of a train between Easton and Martin, Washington, circa 1917. Note helper locomotive pushing behind the caboose. Photo by Ralph Parsons, J.M. Fredrickson collection. Other Subject Classes: freight train, steam locomotive, railroad crew.

An extra freight west rounds the curve near Tunnel 3 east of Martin, Washington, circa 1917. Photo by Ralph Parsons, J.M. Fredrickson collection. Other Subject Classes: freight train, snow and ice.

A train crew member walks the top of a train between Easton and Martin, Washington, circa 1917. Note helper locomotive pushing behind the caboose. Photo by Ralph Parsons, J.M. Fredrickson collection. Other Subject Classes: freight train, steam locomotive, railroad crew.

A Northern Pacific heavy switch engine pulls open-end gondola cars at an open-pit iron ore mine on the Lake Superior division circa 1920. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, gondola car, open pit mine.

Northern Pacific stock car 82663 in a cattle loading facility at Denver, Colorado, on August 1971. The car is part of the 82500-82749 number series. Photo by GJ Werkema. Subject Classes: freight car, stock car