<http://webisa.webdatacommons.org/prov/213188819>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19239695> .
<http://webisa.webdatacommons.org/19239695>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<azlibrary.gov> .
<http://webisa.webdatacommons.org/prov/485254423>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19239695> .
<http://webisa.webdatacommons.org/19239695>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/19239695>	<http://www.w3.org/ns/prov#value>	"Cover Materials and Disease-Vector Control In general, each day's waste must be covered with soil to prevent the spread of diseases by rats, flies, mosquitoes and other animals that are naturally attracted to landfills." .