<http://webisa.webdatacommons.org/prov/302043212>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/276621826> .
<http://webisa.webdatacommons.org/276621826>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<upressonline.com> .
<http://webisa.webdatacommons.org/276621826>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/276621826>	<http://www.w3.org/ns/prov#value>	"They are called ???keystone species??? because gophers build dozens of burrows that may be used by around 300 animals and 60 insects, including the indigo snakes, frogs, mice and burrowing owls." .