Library of Congress
This 1960s-era color postcard shows a Vermont Railway snow plow parked at New Haven Junction. According to Wikipedia, the wedge plow, or Bucker plow, was first developed by railroad companies to clear snow in the mountainous American West. The wedge plow forces snow to the sides and requires a large amount of force due to the compression of snow. The wedge plow is still in use today in combination with the high-maintenance rotary snowplow.
