Stockpiles of silica sand at Modern Transport Rail loading terminal on Second Street in Winona, Minn. are pictured in February 2012. The U.S. Occupational Safety and Health Administration released new ...

Frac sand mining has arrived in Winona County. Three mining operations have been proposed for Saratoga Township, identified as holding the county's richest deposit of the tiny, round grains of silica ...

It has pretty much been proven that fracking can cause earthquakes. Winona is in an extremely vulnerable spot were even a minor earthquake to occur. Winona is situated on alluvial deposits rich in ...