About: http://webisa.webdatacommons.org/339335702

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	Bit by bit, Rumsey digitized his collection -- up to 38,000 maps and other items -- along the way developing software that made it easier for people to explore the maps and 3D objects such as globes online.
http://www.w3.org/ns/prov#wasQuotedFrom	citylab.com