In the otherwise flat Minnesotan expanse, the whitish-gray mound of coal ash looks mountainous, apermanent cemetery of contaminants next to the twin smokestacks of the Sherburne County GeneratingStation. This power plant doesn’t just run the town of Becker; it pretty much is the town. But within adecade it will close completely. One frigid morning, Greg Pruszinske, Becker’s administrator, is staring atthe field across from the coal ash pile, where he’s placed his hopes for the future.
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