About: http://webisa.webdatacommons.org/37202079

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	Use aerial photos and topgraphic maps to determine distance, area, landforms and cover types on the landscape.
http://www.w3.org/ns/prov#wasQuotedFrom	purdue.edu