<http://webisa.webdatacommons.org/154583940>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/154583940>	<http://www.w3.org/ns/prov#value>	"Lake-to-river spawning migrations of sturgeon, walleye, and other fishes were blocked by mill dams." .
<http://webisa.webdatacommons.org/154583940>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usgs.gov> .
<http://webisa.webdatacommons.org/prov/79713363>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/154583940> .