About: http://webisa.webdatacommons.org/434239621

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	Formed by the Hoover Dam on the Colorado River, Lake Mead is the largest reservoir in the United States (measured by maximum capacity).
http://www.w3.org/ns/prov#wasQuotedFrom	explainxkcd.com