About: http://webisa.webdatacommons.org/416565655

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	Considerable strides have been made in recent decades to improve water quality in the Great Lakes-most notably with respect to controls on point-source pollution.
http://www.w3.org/ns/prov#wasQuotedFrom	geosociety.org