Northern Pacific Railroad inspection car, number B-67 parked next to the foot bridge at Martin, Washington in 1939. Photo by C.L. Galbreath, J.M. Fredrickson Collection. Other Subject Classes: motor car, track inspection

Northern Pacific Railroad inspection car parked at the freight yard at Tacoma, Washington in 1915. Fredrickson Collection. Other Subject Classes: motor car, freight yard, track inspection

Northern Pacific Railroad flat cars, number 205303 at Tacoma, Washington in October, 1970, with a double load of company poles. Roundhouse and Northern Pacific GP9 in background. Photo by J.M. Fredrickson. Other Subject Classes: company equipment, flat car, maintenance of way.

Northern Pacific Railroad flat car, number 200190 at East Auburn, Washington in June, 1975, loaded with signal equipment. Photo by J.M. Fredrickson. Other Subject Classes: company equipment, flat car, maintenance of way.

Northern Pacific Railroad bunk car, number 200841, out of service at Tacoma, Washington in September, 1969. Photo by J.M. Fredrickson. Other Subject Classes: company equipment, outfit car, maintenance of way.

Great Northern Maintenance of Way Steel Erection Crew Car O3058 at Tacoma, Washington, August 6, 1982, Steel Erection Crew Car (Platform Observation). Other subject classes: MOW

Chicago, Milwaukee, St. Paul & Pacific Railroad Company rotary snow plow number X900207 at Tacoma, Washington, in February 1980. Milwaukee Road rotary snow plow X900207 parked at Tacoma with switcher 630 in the background in 1980. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, switcher locomotive.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company rotary snow plow number X900207 at Tacoma, Washington, in February 1980. Milwaukee Road rotary snow plow X900207 parked at Tacoma with switcher 630 in the background in 1980. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, switcher locomotive.