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Sand And Gravel Quarrying Researches In Tanzania

In Dare s salaam Tanzania there is argument that one among the reasons for having flood during rainy seasons is according to the rampant sand mining that was conducted from years of 1980 to present. 33 The impacts of river sand mining on environmentSince mining and quarrying activities is conducted in the river have lead to several impact on the rivers including lowered water table impacts on

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