Great Northern Railway Sand Car X2971 at Seattle, Washington in 1974. at Seattle Washington. Other subject classes: Sand car

Great Northern Railway Sand Car X2974 at Wenatchee, Washington in 1985. at Wenatchee Washington. Other subject classes: Sand car

Great Northern Railway Sand Car X2985. Other subject classes: Sand car

Great Northern Railway Scale Test Car X1310 at Seattle, Washington in 1974. Other subject classes: Scale Test Car

Great Northern Railway Scale Test Car X846 at Seattle, Washington. at Seattle Washington. Other subject classes: Scale Test Car

Great Northern Railway Snow Plow X1500 at Minneapolis, Minnesota in 1970. Other subject classes: Snow plow

Great Northern Railway Snow Plow X1507, a Rotary plow. Other subject classes: Snow plow

Great Northern Railway Snow Plow X1507, a Rotary plow. Other subject classes: Snow plow

Great Northern Railway Snow Plow X1507 at Havre, Montana, a Rotary plow. Other subject classes: Snow plow

Great Northern Railway Snow Plow X1507 at Havre, Washington in 1972. A Rotary plow. Other subject classes: Snow plow