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<http://webisa.webdatacommons.org/prov/24131518>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/420015413> .
<http://webisa.webdatacommons.org/420015413>	<http://www.w3.org/ns/prov#value>	"In addition, the material 32 to be cut may be a rock or mineral, such as limestone, sandstone, shale, granite, or any other geologic formation to be drilled." .
<http://webisa.webdatacommons.org/420015413>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .