Shots of billboards advertising construction of the Arrow Dam and of the Duncan Dam on the Columbia River in British Columbia. Shots of large crane swinging concrete bucket of concrete pouring out, of crane operator. PAN of dam under construction. Shots of trucks moving across site, of large front loader unloading scoopfuls into trucks. Series of night shots of construction site, trucks, dam, workers. Oblique AERIAL SHOTS of Arrow Dam construction site. Oblique AERIAL SHOT of town of Castlegar, British Columbia.