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Imperial Metals (III.to) Mount Polley tailing failure: Jack Caldwell speaks

He’s one of my fave mining writers anyway. He makes his living from being a world-level expert on tailings engineering. And he speaks his mind. Three reasons that make this post essential reading today. Here’s a small extract, go read the whole thing:

Nobody but me is prepared to say why it failed.  I suspect it failed because there was too much water in the dam, the corner gave way, an upstream slide occurred, and the disaster ensued.   They are saying nobody could have anticipated this.  Rubbish.  It was entirely predictable given the facts.  It is just nobody had the courage to speak.

continues here

UPDATE: Today sees a second post from Caldwell on Mt Polley here.

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