About: http://webisa.webdatacommons.org/407851933

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	Obsolete equipment and deteriorating media are the greatest problem.
http://www.w3.org/ns/prov#wasQuotedFrom	denverlibrary.org