Buchanan 5 appears to be filling in for Buchanan 12 on the daily Clinton Point quarry run. Five was towing her empty hoppers astern as she headed back north Tuesday morning, which is not a configuration we see very often for tows heading upriver. Meanwhile, 12 appears to be at Caddell’s Dry Dock currently. Hoppers loaded with crushed dolomite rock are brought down from the quarry at Clinton Point near Poughkeepsie on a daily basis to the moorings off Greenville, Jersey City. Empties travel the other way.