Denver and Rio Grande Railroad narrow gauge locomotive 203 at Snowslide Tunnel, San Juan County, Colorado. Men pose on the train and on flanking snowbanks.
Denver and Rio Grande Western Railroad Company.--1900-1910.; Snowsheds--Colorado--San Juan County--1900-1910.; San Juan County (Colo.)--1900-1910.; Railroad locomotives--Colorado--San Juan County--1900-1910.; Snow--Colorado--San Juan...