To clean accumulated material from a settling pond, mine operators can use draglines, excavators and haul trucks, but Jadair International says this process is tedious and costly, as excavating ...

This settling pond has dikes to control flow and allow ... Peppler, PE is engineering manager for Skelly and Loy Inc.’s Mining Service Group, located in Wise, Va. The article was edited by ...

The mine is a Development of Regional Impact requiring ... But I cannot for the life of me see how moving a clay settling pond has a regional impact," he said. Besides, he argued, the County ...

Harwood pointed to the New Jersey Mining Co. as an example of the new generation of companies in the valley. Instead of storing its fine tailings in settling ponds, which are prone to leaks caused ...

The old mine's complex system of tunnels drain into 11 settling ponds designed to trap heavy metals such as cadmium, lead, zinc, arsenic, silver and copper. The ponds, visible from Colorado 145 just ...

It prevents an uncontrolled release of water from the former mine. The treatment plant is behind the borough’s salt shed off Renton Road, with a settling pond stretching along Old Mine Road to ...

But Branam said even a coal ash pond that’s capped and lined can be at risk. “The biggest issue then is, are you going to breach the settling pond where they put this stuff and will it — as ...