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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 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 .
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 Myrtle Irene (USCG id: 643114) [1] is a crewed flat-topped power barge adapted into a littorals at-sea excavator dredge mining vessel designed By Tony Messina out of Northern Wisconsin . [2] It is owned by Arctic Sea Mining, LLC and its registered home port is Nome, Alaska , USA. [ 1 ]
The dredge was named the FW Payne and was operated as a gold dredge for Barrytown Gold Dredging Co Ltd in Barrytown, located on the West Coast of the South Island. All the original equipment was British, including the two surviving Richardson electric motors and bucket drive cog wheels, and a Vaughan 15 long tons (15 t) gantry crane.
Because the alluvial gold proved to be very fine, the company also had to fit their dredges with quicksilver [mercury] tables and were constantly upgrading their gold-saving systems. [ 61 ] [ 62 ] Although returns were steady, costs were also high and by 1897 the directors of the Sew Hoy Big Beach Gold Mining Coy went into voluntary liquidation ...
Gold prospector pouring water through his rocker box, Pinos Altos, New Mexico (1940). Rocker box exhibit at Dahlonega Gold Museum. A rocker box (also known as a cradle or a big box) is a gold mining implement for separating alluvial placer gold from sand and gravel which was used in placer mining in the 19th century.
The Coal Creek Historic Mining District (Hän: Zhùr näddhä`ww juu) is a gold-mining area in the Yukon-Charley Rivers National Preserve of Alaska dating from the 1930s. It features a gold dredge and a supporting community of several dozen buildings, established by mining entrepreneur Ernest Patty.
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