<http://webisa.webdatacommons.org/prov/438657324>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/269099706> .
<http://webisa.webdatacommons.org/269099706>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/269099706>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/269099706>	<http://www.w3.org/ns/prov#value>	"Unfortunately sulphur and and other minerals associated with volcanic activity are not conducive to the longevity of museum collections and the then directors had a long standing battle with these elements." .