<http://webisa.webdatacommons.org/29419996>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/29419996>	<http://www.w3.org/ns/prov#value>	"In 1875 Sanitary Districts were formed to provide services such as clean water supply, sewage systems, street cleaning, and the clearance of slum housing." .
<http://webisa.webdatacommons.org/prov/444846683>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/29419996> .
<http://webisa.webdatacommons.org/29419996>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<werelate.org> .