About: http://webisa.webdatacommons.org/177847258

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	long periods of time or if there is a time past which unaltered glass remains.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov