| This 
                  three-bay Centerflow® covered hopper with elongated hatches 
                  is painted light gray with black logo and lettering. The built 
                  date is unknown, but the service date is 2006. This hopper runs 
                  on Barber Roller Bearing trucks. WSOR covered hoppers withthe 501100 series numbers are assigned to the task of transporting 
                  sand from the Badger Mining pit at Utley, WI, to end users across 
                  the nation, and are generally given the benefit of a coat of 
                  gray paint with the black WSOR lettering. MRMX is Midwest Railcar 
                  Corporation and appears to be a railcar leasing company.
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