Noise like that of an earthquake
Above: A Dupont Powder Mill Drying House explosion/fire from 1914 / Hagley Museum and Library In 1847 Dupont’s Powder Mill was in the midst of supplying gunpowder to the US Government, then midway through the Mexican-American War. Eleuthere Ireene du Pont de Nemours’ Brandywine Valley mill near Wilmington had been in business already for 45…