Arch Keystone Earrings

On October 28, 1965, the final piece or keystone of the Gateway Arch was hoisted into place using a creeper derrick crane. A flag flew from a special flagstaff on the section as bands played and riverboats tooted their steam whistles. The triangular section measured 17 feet on a side and was eight feet wide. Once this piece was welded into place, the Gateway Arch could

 
ERC9070