LS of sign re "South Saskatchewan River Diversion Programme". LAMLS of bulldozers filling gap at downstream cofferdam. Several MSs of bulldozers at work past camera. Shot of operator, of his hands on controls, of front of machine as seen from driver's seat. Several MSs, MLSs of earthmovers lumbering past camera, bulldozers. Shots of dragline crane dredging river channel, low and high level intake tunnels visible in background, snow on ground. LS of downstream dike under construction. PAN along dike to final gap. Several shots of bulldozers working at closing off gap. LAS of machine, TIILT DOWN to earth falling into water. Shots of several bulldozers working together. MCS of earth falling into water. Shots of bulldozers effecting final closure, completing dike. (00/02/1964)