About: http://webisa.webdatacommons.org/292786180

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	Air traffic operations ??? takeoffs, landings and other procedures ??? are down 26 percent from their peak in 2000, although chronic congestion at some large airports can slow flights across the country.
http://www.w3.org/ns/prov#wasQuotedFrom	signalscv.com