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2. Sluice - Wikipedia

   en.wikipedia.org/wiki/Sluice

   A sluice gate. A sluice (/ s l u s / SLOOS) is a water channel containing a sluice gate, a type of lock to manage the water flow and water level. It can also be an open channel which processes material, such as a river sluice used in gold prospecting or fossicking. A mill race, leet, flume, penstock or lade is a sluice channeling water toward a ...

3. Placer mining - Wikipedia

   en.wikipedia.org/wiki/Placer_mining

   A long sluice box runs along the mine. [16] The sluice box was used extensively during the California gold rush for larger scale operations. When streams became increasingly depleted, the grizzly and undercurrent variants of the sluice box were developed. The grizzly is a set of parallel bars placed at a 45-degree angle over the main sluice box ...

4. Penstock - Wikipedia

   en.wikipedia.org/wiki/Penstock

   A penstock is a sluice or gate or intake structure that controls water flow, or an enclosed pipe that delivers water to hydro turbines and sewerage systems. The term is of Scots origin, and was inherited from the earlier technology of mill ponds and watermills, with penstocks diverting pond waters to drive the mills.

5. Gold dredge - Wikipedia

   en.wikipedia.org/wiki/Gold_dredge

   The original methods to perform placer mining involved gold panning, sluice boxes, and rockers. Each method involves washing sand, gravel and dirt in water. Gold then settles to the bottom of the pan, or into the bottom of the riffles of the sluice box. The gold dredge is the same concept but on a much larger scale.

6. Hydraulic mining - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_mining

   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 remove the gold. It is also used in mining kaolin and coal.

7. Belt Creek (Montana) - Wikipedia

   en.wikipedia.org/wiki/Belt_Creek_(Montana)

   Belt Creek (Gros Ventre: kɔyɔ́ɔteihíniicááh, lit. 'belt river' [3]) is a tributary, approximately 80 mi (129 km) long, of the Missouri River in western Montana in the United States. It originates in the Lewis and Clark National Forest north of Big Baldy Mountain, in the Little Belt Mountains in western Judith Basin County.