About: http://webisa.webdatacommons.org/2640562

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	But vast changes were soon to take place in the technology of coal mining and in the competition among regions and between coal and new forms of fuel and power.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com