 While it was bought out by National Gypsum Company at the end of 1940, the modernization (paid for by a Reconstruction Finance Corporation loan) would keep the lime operation competitive for decades, and make it the largest shipper on the Bellefonte Central.The outbreak of World War II and the ensuing industrial demand further increased lime traffic.The war also brought about a brief resurgence in the Bellefonte Central's original source of revenue, iron ore.