About: http://webisa.webdatacommons.org/30431534

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Officials have acknowledged that dredging, gravel mining and other human activities eroded the river bottom in the last century, accelerating the volume that flowed out of Lake Huron toward Lake Erie.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org