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<http://webisa.webdatacommons.org/186399427>	<http://www.w3.org/ns/prov#value>	"of iron, or as sulfates of such materials as calcium, iron, and magnesium." .
<http://webisa.webdatacommons.org/186399427>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<archive.org> .
<http://webisa.webdatacommons.org/prov/50201151>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/186399427> .