About: http://webisa.webdatacommons.org/42727758

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	include humic substances, suspended clays, salts, and metals, including iron
http://www.w3.org/ns/prov#wasQuotedFrom	noaa.gov