Road Grading
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This photo of road construction in Millet, AB was taken between 1920 and 1930. It depicts the road being graded by two horse-drawn graders. The grader is likely a "Little Wonder" style grader, made with a steel frame, fixed blade, and wooden wheels, invented in 1885 by J.D. Adams (khplant, Historic Motor Grader Pictures). Here is a diagram of "Little Wonder":
(C) image via Nivelando A Engenharia)
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