"Or RDD might just not have a clue on some areas. But last time i checked a dam contains a form of liquid. Not solids."
Most tailings dams eventually contain solids in WA not liquids as the yearly evaporation rate is higher than the precipitation rate. SOme tailings ex plant are is a paste form now to reduce spillage think it means the tailings dam wall does not need to be so heavily constructed if a paste is used. Just an observation.........
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