Legendary Gold Deposits of Rio Madeira Brazil goes in search of wealth and adventure. After years of travelling he finally settled down on the Rio Madeira in Brazil and began searching for gold in the river’s brown waters. Will Hans Hoffman find enough gold from the riverbed to pay for his work and his expenses? A day on the Rio Madeira delivers sixty grams of gold and takes a lifetime. Hans Hoffman lives with the Brazilian garimpeiros in the Rio Madeira and hopes soon to find much gold. In the brown water diesel pumps twenty-four hours the mud of the river bottom to surface. Hoffmann lives his life aboard a raga - a primitive sort of raft. His world has its own rules: A hostile person can not survive here long because he can be sure to get enemies. The gold boom on the Rio Madeira began in 1992, when one of these dredges could mine one kg of gold dust per day.