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Gold Dredge, Klondike River, Canada, 1915 The Yankee Fork dredge near Bonanza City, Idaho, which operated into the 1950s. A gold dredge is a placer mining machine that extracts gold from sand, gravel, and dirt using water and mechanical methods. The original gold dredges were large, multi-story machines built in the first half of the 1900s.
The Goldstream Dredge No. 8 cut a 4.5-mile (7.2 km) track and produced 7.5 million ounces of gold. [2] The dredge was named a Historic Mechanical Engineering Landmark by the American Society of Mechanical Engineers in 1986. [2] In 1984, it was listed as a historic district on the National Register of Historic Places. [1] Today, it is open to ...
The AU Grabber (pronounced as: Gold Grabber; [NB 1]) is a self-propelled barge excavator dredge used to mine Bering Sea placer gold deposits in the region around Nome, Alaska, USA. It is owned and operated by Richard Schimschat and featured in the Discovery Channel USA mining reality TV show Bering Sea Gold .
Gold deposits were discovered in rivers and streams, leading to a surge in prospecting and mining activity. [21] [22] The Scottish Crown took an interest in gold discoveries, in hopes of aiding the kingdom's economy and revenue. King James IV of Scotland established a royal mint to produce gold coins from Scottish gold. The Scottish gold rush ...
The Palmer River Gold Company N.L., a Cairns company, took up ground along the Palmer River between Frome and Strathleven and carried out dredging operations between 1926 and 1935. The company originally estimated that 2.6 million cubic metres of auriferous material (rocks bearing gold ) was available but after four years work it was found that ...
In an uncertain economy, gold almost always goes up in value. Little wonder, then, that the vertiginous swoops and dives of the stock market over the past three years have sent gold values to ...