Empty hoppers fly through the snow headed to New Auburn, Wisconsin to get loaded with frac sand which is used for drilling operations. A Wisconsin Northern GP15 idles on the spur track as crews are in the process of building the new lead for the EOG Resources, Inc. sand loading facility yard.  Travis Dewitz <a href="http://www.therailroadcollection.com/latest-works/" target="_blank">The Railroad Collection</a>