About: http://webisa.webdatacommons.org/118240771

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	The metadata captured includes the primary state of the map, photo inspection, datum, projection, scale, and other publishers (such as the War Department or U.S. Army Corps of Engineers).
http://www.w3.org/ns/prov#wasQuotedFrom	sensysmag.com