I've just come across this blog. As the Project Manager for EGLO Engineering, I was responsible for the underground piping and mechanical installations (Jan 1971 to mid 1972) at the Panguna mine site.
Marianne, my wife, and I have fond memories of the project that determined my career in the engineering & construction, and naval (submarine) shipbuilding industry.
I’ll jot down some of the memorable Bougainville episodes over Christmas.
Regards,
Hans Ohff
email hans-j.ohff[AT]adelaide.edu.au