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<http://webisa.webdatacommons.org/prov/29158866>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15082270> .
<http://webisa.webdatacommons.org/15082270>	<http://www.w3.org/ns/prov#value>	"Environmental and other governmental laws and regulations have increased the costs to plan, design, drill, install, operate and abandon oil and natural gas wells." .
<http://webisa.webdatacommons.org/15082270>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .