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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. It consists of a high-sided box, which is open on one end and on top, [1] and was placed on rockers.
Zortman is a census-designated place and unincorporated community in Phillips County, Montana, United States. Its population was 69 as of the 2010 census. [3] Zortman has a post office with ZIP code 59546. [4] [5] The community includes the Zortman Motel and the Buckhorn Store and Cabins. The Buckhorn Store is the only store in the community.
Panning for gold was the simplest method of recovering gold, but mostly used for prospecting since it was slow. A faster way was by a rocker box or by sluicing. Dirt was filled into the box or sluice together with water and rocking movements or gravity would make the gold particle go to the bottom whereas sand and fine gold particles would flow ...
The gold production of Confederate Gulch created massive gold shipments from the gulch, starting with the spectacular production of Montana Bar. A single shipment of gold in 1866, representing a short run of gold bearing gravel through the sluice boxes weighed two tons and was valued at $900,000.00. [10]
A miner using a hydraulic jet to mine for gold in California, from The Century Magazine January 1883. Hydraulic mining is a form of mining that uses high-pressure jets of water to dislodge rock material or move sediment. [1] In the placer mining of gold or tin, the resulting water-sediment slurry is directed through sluice boxes to
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.
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