About: http://webisa.webdatacommons.org/82570136

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	Source of more than 90 percent of the nation???s surface fresh water, the Great Lakes are seriously threatened by problems such as sewage contamination, invasive species, toxic pollution and the loss of wetlands and other habitat.
http://www.w3.org/ns/prov#wasQuotedFrom	ducks.org