From the air, you can fully appreciate the vast size of Glen Canyon Dam. The dam was built with 5,370,000 cubic yards of concrete. | Creator: Google | Date: 2017 | Source: www.goo.gl/RINj1P Photo license: https://creativecommons.org/licenses/by-sa/2.0/ | Rights: www.goo.gl/RINj1P Photo license: https://creativecommons.org/licenses/by-sa/2.0/ Download Original File