Black Canyon of the Gunnison (Colo.)]]> Black Canyon of the Gunnison National Park (Colo.)]]> Railroad tracks]]> Albert R. Ellingwood]]> jpg]]> Image]]> Colorado]]> Black Canyon of the Gunnison (Colo.)]]> Black Canyon of the Gunnison National Park (Colo.)]]> Railroad tracks]]> Albert R. Ellingwood]]> jpg]]> Image]]> Colorado]]>