Gould Engineering - Sells the Bazooka suction dredging and other placer mining and dredging prospecting equipment. - http://www.gouldeng.com/
Goldpanning in Italy - Biella Association site - Biella Goldprospectors' Association web site: Goldpanning and gold prospecting along the rivers of northern Italy and Europe. Victimula Goldpanner's Arena in Vermogno Zubiena Biella (piedmont - Italy) - Italian Open Goldpanners Championships - http://digilander.libero.it/abcdoro
Swiss Goldprospectors' Association - An Internet platform about Recreational Gold prospecting in Switzerland. - http://www.goldwaschen.ch/egold.htm