60-ton oil-burning Baldwin 280 Locomotive hauled borate ore from the mines at Ryan to the mill and main line railroad at Death Valley Junction from 1916 until the railroad was abandoned in 1931. Locomotive engine (boiler) from the Death Valley Railroad, a narrow gauge railroad operated in Death Valley by Pacific Coast Borax Company. Borax Museum, Death Valley National Monument Est. February 11, 1933. Est. as Death Valley National Park in 1994; 5,270 square miles (13,649 km2). Inyo County, CA.