About: http://webisa.webdatacommons.org/320566657

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	and day beacons as well as natural features such as rocks and reefs; and man-made structures such as wrecks, water tanks, chimneys, and smokestacks.
http://www.w3.org/ns/prov#wasQuotedFrom	penobscotmarinemuseum.org