About: http://webisa.webdatacommons.org/17395578

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	Silt is very difficult to dredge as compared to rock or sand or other heavy material.
http://www.w3.org/ns/prov#wasQuotedFrom	house.gov