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The calculation of actual mining reserve of placer gold mine worked by dredging

Wen Rongkai (Heilong-Jiang Provincial Institute of Metallurgical Design)  
The calculation of actual mining reserve of placer gold mine vorked by dredging is of great importance in the ore reserve calculation of placer gold mine. According to the practical mining characteristics of dredger, this paper proposes,the necessary basic information and data required for the calculation of actual mining reserve, and concisely demonstrates its calculation scope and method.
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