DuPont Historical Museum

DuPont Company Dynamite Train The DuPont Company operated in DuPont, Washington, from 1909 to 1975. Seventeen miles of narrow-gauge rail transported incoming supplies and outgoing products between the plant and a wharf on Puget Sound. The DuPont plant supplied explosives for projects such as the Grand Coulee Dam, the Panama Canal, and the Alaska Highway, […]