Tunnel 35 (Thirty-five) through Gore Canyon on Moffat Road, Denver, Northwestern and Pacific Railway (later Denver and Salt Lake); standard gauge track entering tunnel paralleled by Colorado River; narrow, vertical canyon walls.
Colorado River (Colo.-Mexico)--1900-1920.; Gore Canyon (Colo.)--1900-1920.; Canyons--Colorado--1900-1920.; Mountain railroads--Colorado--1900-1920.; Tunnels--Colorado--1900-1920.; Denver, Northwestern and Pacific Railway.
[between 1907 and 1913]
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