Northern Pacific flat car 206356 assigned to maintenance-of-way (MOW), is serving as a pile driver boom tender at Great Falls, Montana, on September 12, 1990. Pile Driver Tender Other subject classes: maintenance-of-way, flat car,

Great Northern Railway Tank car X926 at Great Falls, Montana in 1971. Other subject classes: Tank car

Great Northern Railway Snow Plow X1710 at Great Falls, Montana in 1971. A Wedge plow. Other subject classes: Snow plow

Great Northern Railway Snow Plow X1669 at Great Falls, Montana in 1971. Other subject classes: Snow plow

Great Northern Railway Outfit car O3395 at Great Falls, Montana in 1973. Other subject classes: Outfit car

Great Northern Railway Hopper car X7065 at Great Falls, Montana in 1973. Other subject classes: Hopper car

Great Northern Diesel Locomotive Fuel Tank Car X1369 at Great Falls, Montana, September 12, 1990, diesel locomotive fuel tank car. Other subject classes: MOW