<http://webisa.webdatacommons.org/prov/454017897>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/190519733> .
<http://webisa.webdatacommons.org/prov/48508774>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/190519733> .
<http://webisa.webdatacommons.org/190519733>	<http://www.w3.org/ns/prov#value>	"Foreign purchases of such materials as quartz crystals, mica, Indian kyanite, corundum, and Ceylon graphite has been continued." .
<http://webisa.webdatacommons.org/190519733>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ibiblio.org> .
<http://webisa.webdatacommons.org/190519733>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .