Snow Removal with Caterpillar Tractors (circa 1926)

https://www.youtube.com/embed/c9pJRK3ZNLM?rel=0

Example snowplows from 1926.

16mm., B&W, Silent, circa 1926, found in Chicago Film Archives' Charles E. Krosse Collection. https://collections.chicagofilmarchives.org/Detail/collections/87