<http://webisa.webdatacommons.org/prov/491090909>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/241746852> .
<http://webisa.webdatacommons.org/241746852>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<tracinskiletter.com> .
<http://webisa.webdatacommons.org/241746852>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/241746852>	<http://www.w3.org/ns/prov#value>	"Not only will this eliminate the expense of building miles and miles of fencing, it will also make it possible for ranchers to make better use of their land, for example by directing cattle from an overgrazed section of land to one that is underutilized." .