<http://webisa.webdatacommons.org/prov/209906948>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/263571959> .
<http://webisa.webdatacommons.org/263571959>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<illinois.gov> .
<http://webisa.webdatacommons.org/263571959>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/263571959>	<http://www.w3.org/ns/prov#value>	"IDNR staff also installed various warning devices such as buoys and signs upstream and downstream of the dam." .