About: http://webisa.webdatacommons.org/110831318

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	The derrick, by definition is, a tower on top of the rig used as a crane at times for moving heavy equipment, but mostly for moving the pipe in and out of the hole, which is being drilled.
http://www.w3.org/ns/prov#wasQuotedFrom	123helpme.com