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- Snow Plow in Hagerman Pass, Colorado, circa 1895 - Rotary snowplows were a railroad's most sophisticated offense against winter. The massive machines cleared drifted snow from the track. An on-board steam engine powered two sets of fan blades. The first set dug into the snow, while the second threw the snow off to the side. Rotary plows were not self-propelled, so a separate locomotive pushed from behind.

- circa 1885
- Collections - Artifact
Snow Plow in Hagerman Pass, Colorado, circa 1895
Rotary snowplows were a railroad's most sophisticated offense against winter. The massive machines cleared drifted snow from the track. An on-board steam engine powered two sets of fan blades. The first set dug into the snow, while the second threw the snow off to the side. Rotary plows were not self-propelled, so a separate locomotive pushed from behind.