MCSs and CSs of a bulldozer piling earth on road constuction site in northern British Columbia. HAMSs of a loader tractor filling trucks. Various shots of bulldozer pushing earth down embankement, and shots of rubble cascading down slope. MS of loader tractor loading rubble into truck. LAMS of a bulldozer pushing rubble down slope, cut to LACS of same. LS of elevated roadbed (119 ft).