Sequence on man wearing flying equipment, possibly preparing to fly in cockpit. AERIAL HAS over flat farmland showing roads, fields, farm buildings. DOLLY SHOT along group of cartographers (man and two women) as they work on new maps at Technical Survey Branch of Mines and Resources. AERIAL HAS over flat countryside. Sequence on two men digging hole in ground, measuring depth of fertile soil with measuring stick. Shots of men sorting and laying pieces of paper on the floor. CS of cartographer drawing area on picture of countryside. Sequence on man in plane wearing "bomber" jacket working on recording instruments, removing chart scroll from machine, putting scroll in box, man's hand turning dial reading milliamperes, MS rear view of man at work on instrument.