International Paper Co. is planning to convert its No. 15 paper machine at its Riverdale Mill in Selma from uncoated freesheet to high-quality whitetop linerboard and containerboard. The conversion will add approximately 450,000 tons of capacity annually, with flexibility to shift between containerboard products. The project is valued at $552 million. International Paper Co., 6400 Poplar Ave., Memphis, Tenn., 38197. DR#18-00560260.