There,s a bulgarian dredger in papua,Lubo Todorov. He started in Australia,then moved to New zealand and finally got to Papua.He made serious gold.
He has a very good reputation amongst the nz dredgers. Some videos for you in case you don,t know him ,with english subtitles for our t-net friends. (in first vid ,gold around 38 min) . (in second vid around 5min)