<http://webisa.webdatacommons.org/442780448>	<http://www.w3.org/ns/prov#value>	"Such factors as moisture content, soil" .
<http://webisa.webdatacommons.org/prov/276292356>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/442780448> .
<http://webisa.webdatacommons.org/442780448>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<msha.gov> .
<http://webisa.webdatacommons.org/442780448>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/301452964>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/442780448> .