The availability of paper "print-on-demand" nautical charts continues to expand, as NOAA's Office of Coast Survey has added three more printing companies to its roster of certified agents for paper charts. "The most recent printers to join the NOAA paper chart program represent the enduring connections between maritime tradition and progress," said Capt. Shep Smith, chief of Coast Survey's Marine Chart Division. "Companies with histories going back decades, and even centuries, support a firm foundation for the continuing production and delivery of U.S. Iver C. Weilbach & Co.