On this day in 1903, a snow slide (avalanche) wiped out the “S” bridge east of Mullan, Idaho. Part of a Northern Pacific passenger train was swept into the gulch 75 feet below. The train consisted of a rotary snow plow; a pushing engine; the passenger engine, two passenger cars; and a caboose. As the snow slide swept down the narrow gorge, it tore out the trestle structure.