About: http://webisa.webdatacommons.org/65287678

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 spread of cholera, malaria, smallpox, yellow fever, and other epidemics was caused by ignorance of the dangers of outlying swamps and poor public sanitation.
http://www.w3.org/ns/prov#wasQuotedFrom	archives.gov