About: http://webisa.webdatacommons.org/432618614

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Purchase Bituminous coal nuggets" that are 1-3/4 to 4 diameter (also called nut or egg sized) and that have been cleaned to remove rocks and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	previewdns.com