CN accelerates frac sand branch upgrade
Written by William C. Vantuono, Editor-in-ChiefCN is accelerating work on a $33 million upgrade of its Whitehall Subdivision in Wisconsin to increase carloading capacity and train velocity for the growing frac sand supply chains of Badger Mining Corp., Preferred Sands of Wisconsin LLC, Atlas Resin Proppants LLC, and Taylor Frac LLC.