The battle for Minnesota’s $1 trillion mining jackpot
Clip: 05/10/2016 | 6m 21s
Minnesota’s Arrowhead region sits atop a trove of precious metals: mining companies say the area holds four billion tons of raw material like copper and nickel, a haul worth $1 trillion. But local residents and activists are taking a stand against encroaching mining operations, citing the potentially disastrous environmental consequences. Josh Buettner of Iowa Public Television reports.
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