About: http://webisa.webdatacommons.org/398701179

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	Every time it rains, water moves across traditional roofs picking up any sediment, nutrients, metals or other materials deposited on the surface of the roof.
http://www.w3.org/ns/prov#wasQuotedFrom	purdue.edu