About: http://webisa.webdatacommons.org/77455900

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Named for America???s 31st President Herbert Hoover, Hoover Dam is the highest concrete dam in the Western Hemisphere, standing at more than 725 feet above the Colorado River.
http://www.w3.org/ns/prov#wasQuotedFrom	vegas.com