<http://webisa.webdatacommons.org/prov/285341195>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/454634228> .
<http://webisa.webdatacommons.org/454634228>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<jeffco.us> .
<http://webisa.webdatacommons.org/454634228>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/454634228>	<http://www.w3.org/ns/prov#value>	"Directly overlying the rock wall is an evidently later structure distinguished by a unique tamped sandstone floor and associated rock wall rubble." .