Copper $ 5.51 / lb 1.52%
Brent Crude Oil $ 60.47 / bbl 1.17%
Palladium $ 1786.9 / ozt 0.50%
Crude Oil $ 56.52 / bbl 1.11%
Natural Gas $ 3.984 / Btu 1.07%
Silver Futures $ 67.489 / ozt 3.17%
Aluminum Futures $ 2967.5 / ton 1.62%
Micro Gold Futures $ 4418.8 / ozt 1.25%
Micro Silver Futures $ 67.405 / ozt 3.03%
Platinum $ 2018.6 / ozt 3.35%
Gold Futures $ 4387.3 / ozt 0.54%
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Judgment in tailings management

Jack Caldwell | June 10, 2013 | 8:18 pm Base Metals Precious Metals Copper Gold Iron Ore Silver 

Professor Jere Jennings who taught so many of us now-old civil engineers in mining used to say: “When you have read everything there is to read, when you have done all the calculations possible, then drink a bottle of brandy...

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