Tiller Fined For Frack Sand Air, Noise ViolationsA silica sand processing plant in eastern Minnesota has agreed to pay a fine for air quality and noise violations. The Minnesota Pollution Control Agency levied a fine of $85,000 for Tiller Corp. which has been operating a processing and shipment center in Chisago County for nearly two years.
Winona County OKs 1st Frack Sand Mine Permit Winona County commissioners on Tuesday approved a conditional use permit for the first operation to exclusively mine frack sand in the southeastern Minnesota county.
Frack Sand Co. Agrees To Voluntary Review In Minn.A sand mining company has agreed to a voluntary environmental review of two mines it's proposing for Winona County.
Red Wing Mayor Hired By Frack Sand Lobbying GroupThe mayor of Red Wing has been hired to promote the region's growing frack sand industry, raising questions from some citizens about whether he can balance his community's interests with his new employer's.