<http://webisa.webdatacommons.org/299553993>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/299553993>	<http://www.w3.org/ns/prov#value>	"Because the rocks are fine-grained and texture is an important component in differentiating the expansive rocks, thin-section examinations are invariably called for." .
<http://webisa.webdatacommons.org/prov/317378846>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299553993> .
<http://webisa.webdatacommons.org/299553993>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dot.gov> .