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tangible benefits carbon black sand maker sell at a loss in Beishan

tangible benefits carbon black sand maker sell at a loss in Beishan

BeishanLaosSoutheast Asianewgold minesandmakersell. Gold in earlySoutheastAsia- OpenEdition. 3 There is some evidence of ancientgold mininginSoutheastAsia– ancient shafts have been reported in Central Vietnam at Kham Duc (pers. comm. local villagers), an area which is linked by the river to the protohistoric sites of Go Ma Voi, and at Go Mun, 65 km southwest (Nguyen Kim Dung et al., 1995 ...

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