Various shots of power shovel, CUs of scoop scooping rock, filling truck, of cab of shovel, of dumpers and Euclid trucks. LAS of truck box dumping, of truck dumping, rock sliding down high embankment. CU of bulldozer, MS of driver at controls. LSs of truck, of whole operation in flank of mountain, of incomplete road doing hairpin curve. Shot of truck negotiating curve towards camera, PAN down to bottom of canyon bordering road. MSs of Euclid trucks, dumpers, driving towards camera, turning and backing up. Various shots of loading operations by mechanical shovel, front end loader, of various movers, trucks, dumpers and tractor-drawn, tracked side-dumpers. Shots of operations at sand pit, of bulldozers, loaders.