MPR frac sand chat with Minnesota’s Chief Geologist, 10 a.m.

The sand boom started in Wisconsin — but it’s been spreading to Minnesota.

At 10 a.m., join Minnesota Public Radio News for an interview with the state’s chief geologist, Tony Runkel of the Minnesota Geological Survey, on frac sand deposits and mining operations there.

We’re posting the live chat on this page, courtesy of MPR News.

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