20 Jul Sand Mining and impacts on river ecology
Sand mining from river channels and flood plains are carried out fervently to meet the needs of the fine aggregate demand in the construction industry. It has led to the ecological imbalances in the river systems. Alternatively, sand manufactuired by crushing rocks and from the fly ash needs to be progreesively substituted for sand.
[scribd id=17499531 key=key-1voas7x994smojjcclux mode=scroll]