Tractors / Clive Gifford.

Main Author: Gifford, Clive.
Published: St. Catharines, ON : Crabtree Pub. Co., c2013.
Series: Machines at work (St. Catharines, Ont.)
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Table of Contents:
  • Tractors at work
  • Getting a grip
  • Driving a tractor
  • Pulling power
  • Ploughing and planting
  • Mowing and baling
  • Lifters and loaders
  • Combine harvesters
  • Away from the fields.