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2019 Small Mining Dredger Equipment 5 inch Gold Dredge For Sale. Up to 5 years warranty. US $120000 / Unit. CN Wuhan Kangmingcheng Economic & Trade Co., Ltd. 4 YRS. 85.7%. Contact Supplier. 1/6. Small Sand Mining Dredging Machine Cutter Suction Dredger. US $500000-$1000000 / Piece. 1.0 Pieces (Min Order) CN Qingdao Head Dredging Heavy Industry,Sand mining - Wikipedia,Sand mining is the extraction of sand, mainly through an open pit (or sand pit) but sometimes mined from beaches and inland dunes or dredged from ocean and river beds. Sand is often used in manufacturing, for example as an abrasive or in concrete.It is also used on icy and snowy roads usually mixed with salt, to lower the melting point temperature, on the road surface.Dredge Model 7012 HP Versi-Dredge Specifications | IMS,,The 7012 HP Versi-Dredge is a one-truck transportable hydraulic dredge ideal for dredging rivers, small ports, canals, lakes, and small beach restoration.The 7012 HP is easy to operate, and its cutterhead design eats away a variety of materials such as sand, gravel, thick mud, light clays, and salt.