About: http://webisa.webdatacommons.org/344480806

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	Generally the make-up water will contain a preponderance of the alkaline earth metal cations, primarily calcium and magnesium, and sometimes iron, and such anions as silicate, sulfate, bicarbonate, and carbonate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es