A Dann Marine tug had a light cement transporter barge in tow on the hip heading back to the cement plant in Ravenna last Sunday. She passed the Buchanan12 on one whistle with her usual loads of crushed dolomite heading from the Clinton Point quarry to the Jersey City flats.

The Hudson Valley’s rich mineral resources have long supplied the construction industry in New York City and the broader region, with limestone deposits a key raw material for cement manufacturers and ground stone aggregate a key ingredient in concrete and other uses of construction materials.