<http://webisa.webdatacommons.org/prov/68014683>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/117873289> .
<http://webisa.webdatacommons.org/117873289>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<lighthousefriends.com> .
<http://webisa.webdatacommons.org/117873289>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/117873289>	<http://www.w3.org/ns/prov#value>	"After a visit in 1842, Charles Dickens noted, In Philadelphia there is a place that is wondrous to behold, and that is the Philadelphia Waterworks." .