About: http://webisa.webdatacommons.org/118517430

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 water may also contain various solids such as mud, clay, iron oxides, silt, sand, and other mineral matter and microbiological debris that accumulate as sludge deposite in the system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com