San Francisco train in 1952. SPMW 210 is on display at the Truckee Railroad Museum in Truckee, California. Southern Pacific MW7221 is on display in Roseville, California. Union Pacific #900075 is on display at the Illinois Railway Museum in Union, Illinois. Union Pacific #900081 is on display at the National Museum of Transportation in St. Louis, Missouri. See also Plough (disambiguation) Snow blower References Further reading External links Rotary snowplow list | a listing of all surviving railroad rotary snowplows in North America. A walk through a Southern Pacific Rotary Snowplow (archived) | February 27, 2017 Maintenance of way equipment Snowplows Canadian inventions