<http://webisa.webdatacommons.org/226733018>	<http://www.w3.org/ns/prov#value>	"Discuss the concept of a maze with your students, why they are fascinating, and the kinds of materials in which human-navigated mazes are constructed." .
<http://webisa.webdatacommons.org/226733018>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usgs.gov> .
<http://webisa.webdatacommons.org/226733018>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/48889425>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/226733018> .