LS of Des Joachims dam as seen from the highway. Sequence on workers preparing reinforcing iron armature inside wooden concrete forms before pouring concrete. HASs of power house under contruction from top of dam. TILT UP to tailrace being cut out of solid rock. Various shots of dam. LAS of man clambering up face of dam. Shots of powerhouse under construction, huge penstocks being completed. Shots of penstocks. Short sequence on man using pneumatic rock chipper during construction of tailrace. CU of bit of chipper. MLS of top of powerhouse, main dam visible seen in background. Shots of carpenters at work on concrete forms, steel men wiring reinforcing rods, welders at work on penstocks. CU of general manager RL Hearn with chairman of Hydro Ontario Robert Saunders looking over construction. CU of RL Hearn. Group shots of Hydro officials. Shot of large piece of equipment being hoisted up by crane. CU of Eastern regional manager OS Luney, RL Hearn, project manager AA Richardson, Mr WM Hogg. Shots of men conferring at base of dam, looking at blueprints, looking at work. CUs of faces. Shots of men at the McConnell control dam. Shot of dam, water pouring through sluiceways. MS of relief map, pointer indicating interesting features of dam and surroundings. MLS of billboard re "Des Joachims Generating Station (360,000 kilowats)", dam in the distance. (29/11/1949)