I posted a mirror copy in here, since I believe this is more appropiate.
Native American (Ute) men and a white man ride on horseback into French Creek Valley, below Cascade, El Paso County, Colorado as part of the marking ceremony for Ute Pass Trail. Spectators sit and stand near the sides of the trail. Native American men wear leggings, fur pelts, and feather headdresses. The white man wears a hat. Date 1912 August 29.
A procession of Native Americans (Ute) on horseback ride the Ute Pass Trail, Teller County, Colorado. They wear headdresses and traditional clothing for the dedication of the ancestral route which follows the Colorado Rocky Mountain front range into the mountains. Date 1912.
A view through a tunnel along the Colorado Midland Railway line close to the "Cameron Cone" near Colorado Springs (El Paso County), Colorado. Date 1897 May 8.
Eastbound freight train; tunnel, 42 cars, 20 MPH. Photographed: below Cascade, Colo., April 7, 1935.