![]() Most of the dredges were barges built on top of pontoons. A large dredge could process as much dirt in a minute as a mining crew of three could in a day. In the 80s, it became profitable again, but by the 90s the price of gold had fallen, so the dredges again died out. About a century ago, it was profitable to run dredges, but then it became less so, so dredges died out. 14,500 cu-yd of paydirt could be processed per day by a big dredge, scooped by bucket line, washed in an internal wash plant, caught in an internal sluice box system, with tailings dumped out the back on a conveyor. They were in great use for a half century before that. ![]() Prior to Tony's attempt, no industrial floating dredge had been used in the Klondike for a quarter century. It scoops or pumps/vacuums the bottom of the watercourse and pushes it onto the wash plant.įloating industrial dredges had been used in the Klondike for a long time, since 1901. A dredge is a piece of mining equipment used on watercourses.
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