About: http://webisa.webdatacommons.org/311003719

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	This site is an index of those maps, covering both global and regional areas.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov