About: http://webisa.webdatacommons.org/328578378

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	Johnson's North America 1862 Map of all land forms in the northern half of the western hemisphere, including the farthest reaches of northern Canada, the west coast of Greenland, the United States, Mexico, Central America, and the... 9.
http://www.w3.org/ns/prov#wasQuotedFrom	kchistory.org