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Earthwork equipment became heavier and more powerful in the late 40’s and 50’s. Here a loader with a front-end scoop handles rock.
Bulldozer in action.
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Page:America's Highways 1776–1976.djvu/461
Earthwork equipment became heavier and more powerful in the late 40’s and 50’s. Here a loader with a front-end scoop handles rock.
Bulldozer in action.
455