<http://webisa.webdatacommons.org/prov/417699119>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/158807028> .
<http://webisa.webdatacommons.org/158807028>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<discoveryeducation.com> .
<http://webisa.webdatacommons.org/158807028>	<http://www.w3.org/ns/prov#value>	"Throughout history, philosophers such as John Muir, Henry David Thoreau, Rachel Carson, and Gifford Pinchot have argued about these and other ideas relating to human interaction with the natural world." .
<http://webisa.webdatacommons.org/prov/452824150>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/158807028> .
<http://webisa.webdatacommons.org/prov/67278639>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/158807028> .
<http://webisa.webdatacommons.org/158807028>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .