<http://webisa.webdatacommons.org/289653182>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<iowadot.gov> .
<http://webisa.webdatacommons.org/289653182>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/193490708>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/289653182> .
<http://webisa.webdatacommons.org/289653182>	<http://www.w3.org/ns/prov#value>	"Contractor shall, prior to commencing any excavation or other operation that" .