Interactive map: Frac sand facilities in Minnesota, Wisconsin
Minnesota and Wisconsin are four years into a sand mining boom. This map shows facilities that involve the mining, processing or transportation of frac sand. Sites that have permits to do such work and ones that are proposed are shown.
July 15, 2013 at 12:34PM
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Here's how to pick the right shovel, from the classic to the crack-jumper, back-saver or the plow.