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Frac-sand mining boom is accelerating and eluding regulators, analysis finds

Frac-sand mining boom is accelerating and eluding regulators, analysis finds

The report assesses regulatory efforts in both Minnesota and Wisconsin as lax — a patchwork of inconsistent, highly local and often weak responses.

Letter from Skunk Hollow: Watercolors, and life, as artworks in progress

Perhaps it's like malaria, this watercolor business, an affliction that blooms and fades and blooms again on a cycle. But a good thing, as there is always more to see.

Why so much oil from the fracking boom is moving by high-risk rail

Rail shipments of U.S. crude oil produced in the fracking zones rose by 2,400 percent from 2008 to 2012, according to a new GAO report. Investments in infrastructure lagged.