The Rotary Snow-plows on the White Pass & Yukon Railway were retired i 1964. The rotary snowplow was built in 1898 by the Cooke Locomotive and Machinery Company for White Pass & Yukon Route railroad. The White Pass, at 2,865 feet, receives significant snowfall from late September until early June. The boiler of was used solely to turn the 10-foot rotary blades of the plow. The snowplow itself was pushed forward by two locomotives coupled behind the plow.