The Line - Building the power line between Manapouri and Invercargill 

This is the high voltage power line that connects the hydro power station at West Arm Manapouri to Invercargill and The New Zealand Aluminium Smelters Limited (NZAS) at Tiwai Point.
By the New Zealand Film Unit for The New Zealand
Electrical Department.
From about 1968 - 1970