About: http://webisa.webdatacommons.org/50492746

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	It is frequently below freezing, especially in the North where it is hardly ever cost-effective to put so much loop in the ground that you do not hit freezing temps at some point.
http://www.w3.org/ns/prov#wasQuotedFrom	greenbuildingtalk.com