| http://www.w3.org/ns/prov#value | - You will also be able to take pictures of the dam and the Mike O' Callaghan -- Pat Tillman Memorial Bridge which crosses over the Colorado River from photo-op view points on the visitor center's outdoor patio / balcony.Located in the Black Canyon on the Colorado River, the Hoover Dam is the highest concrete dam in the Western Hemisphere, standing at more than 725 feet above the Colorado River.
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