Various shots of pick-up trucks, of large compressor. Shots of scaffolding on Menihek Dam, men placing reinforcing iron, wiring rods together, welding rods. CUs of man wiring rods, of welder, of torch. ESTABLISHING SHOT of gulf dam site, trucks moving about. CS of crane, cement bucket and dam scaffolding. CUs of men straining at cement bucket, of cement flowing out. MSs, CSs of bucket being dropped into truck, of second bucket being lifted away. MS of crane swinging. Various shots of surveyors measuring distances, scrapers and bulldozers passing by in background. LACU of blade and tractor engine. Shot of road and trees from driver's seat, exhaust pipes of tractor in immediate foreground.