Posted inEnvironment, Frac Sand Rush Permits: What a frac sand mine needs by Kate GoldenJanuary 31, 2012June 9, 2014 Why you can trust Wisconsin Watch Overview of permits required to operate a frac-sand mine.
Posted inEconomy, Environment, Frac Sand Rush, Health & Welfare Sand mining surges in Wisconsin by Jason Smathers July 31, 2011March 11, 2014 Why you can trust Wisconsin Watch
