<http://webisa.webdatacommons.org/prov/87130943>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/13504580> .
<http://webisa.webdatacommons.org/prov/489870793>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/13504580> .
<http://webisa.webdatacommons.org/prov/178470256>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/13504580> .
<http://webisa.webdatacommons.org/13504580>	<http://www.w3.org/ns/prov#value>	"A dredge is a device for scraping or pumping solid material from the bottom of rivers, lakes, and other bodies of fresh or salt water." .
<http://webisa.webdatacommons.org/13504580>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/13504580>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bls.gov> .