<http://webisa.webdatacommons.org/409880330>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/409880330>	<http://www.w3.org/ns/prov#value>	"They blame dredging, gravel mining and other activities that eroded the floor of the St. Clair River on Huron's southern end, accelerating the flow toward Lake Erie.Studies have shown those actions caused Huron and Michigan to fall 10 to 16 inches." .
<http://webisa.webdatacommons.org/prov/106563538>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/409880330> .
<http://webisa.webdatacommons.org/409880330>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<startribune.com> .