<http://webisa.webdatacommons.org/prov/446437016>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/186812589> .
<http://webisa.webdatacommons.org/186812589>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<trailrunnermag.com> .
<http://webisa.webdatacommons.org/186812589>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/186812589>	<http://www.w3.org/ns/prov#value>	"Possible changes to Grand Canyon National Park's Backcountry Management Plan could limit visitors, including runners, to the Canyon corridor The Grand Canyon." .