Book excerpt: For more than 30 years Moving the Earth has been the standard reference on every type of excavation, hauling, & grading equipment, along with the different jobs & ways in which machines are used. Created specifically for contractors, foremen & operators, this big, third edition contains new sections on lasers, automatic grading machinery, paving with asphalt, concrete & soil cement, blacktop manufacture, hydraulic systems & excavators, hydrostatic drives, controlled blasting, chain saws, tree chippers & cutters, & much more. Over 3,200 individual drawings, photos & graphs make every description & procedure crystal clear.