{HEAD ~ A snow plow skid shoe} is formed of a mounting plate, which is bolted upon {TAIL ~ the rear face} of a plow moldboard, and a skid plate having a bottom, ground engaging, surface 
{ HEAD ~ A snow plow skid shoe } is formed of a mounting plate , which is bolted upon { TAIL ~ the rear face } of a plow moldboard , and a skid plate having a bottom , ground engaging , surface
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