Blasting rock during the construction of highway through Glenwood Canyon. The Colorado River is at the right; there is snow on the hills in the background. Large rocks in foreground with debris from the blast rising in the air in center midground. [Title supplied from catalog prepared by the Eagle County Historical Society.]

Looking down on the Sherwood bridge from the Sherwood quarry drum. Hwy 6 is at the top, the Eagle River is flowing under the Sherwood bridge and I-70 is at the bottom. At the turn of the century, major routes in the Colorado mountains were steep, rocky grades, little more than wagon tracks. By 1910, cars were becoming more prominent but Colorado roads were in terrible condition. That year, the State Highway Commission established Highway 10 from...

Looking down the Eagle River and U.S. Highway 24 as it enters Red Cliff on the south. Just to the left of Hwy 24 is the beginning of the approach road to what will be the Red Cliff Arch Bridge.