About: http://webisa.webdatacommons.org/210037466

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	Steam was an effective means to distribute the necessary heat throughout the bed of coal.
http://www.w3.org/ns/prov#wasQuotedFrom	illinois.edu